19551000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^3\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 256

約数和(自身を含む): 74880000

約数和(自身を除く): 55329000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 49, 50, 56, 57, 60, 70, 75, 76, 84, 95, 98, 100, 105, 114, 120, 125, 133, 140, 147, 150, 152, 168, 175, 190, 196, 200, 210, 228, 245, 250, 266, 280, 285, 294, 300, 343, 350, 375, 380, 392, 399, 420, 456, 475, 490, 500, 525, 532, 570, 588, 600, 665, 686, 700, 735, 750, 760, 798, 840, 875, 931, 950, 980, 1000, 1029, 1050, 1064, 1140, 1176, 1225, 1330, 1372, 1400, 1425, 1470, 1500, 1596, 1715, 1750, 1862, 1900, 1960, 1995, 2058, 2100, 2280, 2375, 2450, 2625, 2660, 2744, 2793, 2850, 2940, 3000, 3192, 3325, 3430, 3500, 3675, 3724, 3800, 3990, 4116, 4200, 4655, 4750, 4900, 5145, 5250, 5320, 5586, 5700, 5880, 6125, 6517, 6650, 6860, 7000, 7125, 7350, 7448, 7980, 8232, 8575, 9310, 9500, 9800, 9975, 10290, 10500, 11172, 11400, 12250, 13034, 13300, 13720, 13965, 14250, 14700, 15960, 16625, 17150, 18375, 18620, 19000, 19551, 19950, 20580, 21000, 22344, 23275, 24500, 25725, 26068, 26600, 27930, 28500, 29400, 32585, 33250, 34300, 36750, 37240, 39102, 39900, 41160, 42875, 46550, 49000, 49875, 51450, 52136, 55860, 57000, 65170, 66500, 68600, 69825, 73500, 78204, 79800, 85750, 93100, 97755, 99750, 102900, 111720, 116375, 128625, 130340, 133000, 139650, 147000, 156408, 162925, 171500, 186200, 195510, 199500, 205800, 232750, 257250, 260680, 279300, 325850, 343000, 349125, 391020, 399000, 465500, 488775, 514500, 558600, 651700, 698250, 782040, 814625, 931000, 977550, 1029000, 1303400, 1396500, 1629250, 1955100, 2443875, 2793000, 3258500, 3910200, 4887750, 6517000, 9775500, 19551000]

約数ペア:

[(1, 19551000), (2, 9775500), (3, 6517000), (4, 4887750), (5, 3910200), (6, 3258500), (7, 2793000), (8, 2443875), (10, 1955100), (12, 1629250), (14, 1396500), (15, 1303400), (19, 1029000), (20, 977550), (21, 931000), (24, 814625), (25, 782040), (28, 698250), (30, 651700), (35, 558600), (38, 514500), (40, 488775), (42, 465500), (49, 399000), (50, 391020), (56, 349125), (57, 343000), (60, 325850), (70, 279300), (75, 260680), (76, 257250), (84, 232750), (95, 205800), (98, 199500), (100, 195510), (105, 186200), (114, 171500), (120, 162925), (125, 156408), (133, 147000), (140, 139650), (147, 133000), (150, 130340), (152, 128625), (168, 116375), (175, 111720), (190, 102900), (196, 99750), (200, 97755), (210, 93100), (228, 85750), (245, 79800), (250, 78204), (266, 73500), (280, 69825), (285, 68600), (294, 66500), (300, 65170), (343, 57000), (350, 55860), (375, 52136), (380, 51450), (392, 49875), (399, 49000), (420, 46550), (456, 42875), (475, 41160), (490, 39900), (500, 39102), (525, 37240), (532, 36750), (570, 34300), (588, 33250), (600, 32585), (665, 29400), (686, 28500), (700, 27930), (735, 26600), (750, 26068), (760, 25725), (798, 24500), (840, 23275), (875, 22344), (931, 21000), (950, 20580), (980, 19950), (1000, 19551), (1029, 19000), (1050, 18620), (1064, 18375), (1140, 17150), (1176, 16625), (1225, 15960), (1330, 14700), (1372, 14250), (1400, 13965), (1425, 13720), (1470, 13300), (1500, 13034), (1596, 12250), (1715, 11400), (1750, 11172), (1862, 10500), (1900, 10290), (1960, 9975), (1995, 9800), (2058, 9500), (2100, 9310), (2280, 8575), (2375, 8232), (2450, 7980), (2625, 7448), (2660, 7350), (2744, 7125), (2793, 7000), (2850, 6860), (2940, 6650), (3000, 6517), (3192, 6125), (3325, 5880), (3430, 5700), (3500, 5586), (3675, 5320), (3724, 5250), (3800, 5145), (3990, 4900), (4116, 4750), (4200, 4655)]