18639000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 66924000

約数和(自身を除く): 48285000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 109, 114, 120, 125, 150, 152, 171, 180, 190, 200, 218, 225, 228, 250, 285, 300, 327, 342, 360, 375, 380, 436, 450, 456, 475, 500, 545, 570, 600, 654, 684, 750, 760, 855, 872, 900, 950, 981, 1000, 1090, 1125, 1140, 1308, 1368, 1425, 1500, 1635, 1710, 1800, 1900, 1962, 2071, 2180, 2250, 2280, 2375, 2616, 2725, 2850, 3000, 3270, 3420, 3800, 3924, 4142, 4275, 4360, 4500, 4750, 4905, 5450, 5700, 6213, 6540, 6840, 7125, 7848, 8175, 8284, 8550, 9000, 9500, 9810, 10355, 10900, 11400, 12426, 13080, 13625, 14250, 16350, 16568, 17100, 18639, 19000, 19620, 20710, 21375, 21800, 24525, 24852, 27250, 28500, 31065, 32700, 34200, 37278, 39240, 40875, 41420, 42750, 49050, 49704, 51775, 54500, 57000, 62130, 65400, 74556, 81750, 82840, 85500, 93195, 98100, 103550, 109000, 122625, 124260, 149112, 155325, 163500, 171000, 186390, 196200, 207100, 245250, 248520, 258875, 310650, 327000, 372780, 414200, 465975, 490500, 517750, 621300, 745560, 776625, 931950, 981000, 1035500, 1242600, 1553250, 1863900, 2071000, 2329875, 3106500, 3727800, 4659750, 6213000, 9319500, 18639000]

約数ペア:

[(1, 18639000), (2, 9319500), (3, 6213000), (4, 4659750), (5, 3727800), (6, 3106500), (8, 2329875), (9, 2071000), (10, 1863900), (12, 1553250), (15, 1242600), (18, 1035500), (19, 981000), (20, 931950), (24, 776625), (25, 745560), (30, 621300), (36, 517750), (38, 490500), (40, 465975), (45, 414200), (50, 372780), (57, 327000), (60, 310650), (72, 258875), (75, 248520), (76, 245250), (90, 207100), (95, 196200), (100, 186390), (109, 171000), (114, 163500), (120, 155325), (125, 149112), (150, 124260), (152, 122625), (171, 109000), (180, 103550), (190, 98100), (200, 93195), (218, 85500), (225, 82840), (228, 81750), (250, 74556), (285, 65400), (300, 62130), (327, 57000), (342, 54500), (360, 51775), (375, 49704), (380, 49050), (436, 42750), (450, 41420), (456, 40875), (475, 39240), (500, 37278), (545, 34200), (570, 32700), (600, 31065), (654, 28500), (684, 27250), (750, 24852), (760, 24525), (855, 21800), (872, 21375), (900, 20710), (950, 19620), (981, 19000), (1000, 18639), (1090, 17100), (1125, 16568), (1140, 16350), (1308, 14250), (1368, 13625), (1425, 13080), (1500, 12426), (1635, 11400), (1710, 10900), (1800, 10355), (1900, 9810), (1962, 9500), (2071, 9000), (2180, 8550), (2250, 8284), (2280, 8175), (2375, 7848), (2616, 7125), (2725, 6840), (2850, 6540), (3000, 6213), (3270, 5700), (3420, 5450), (3800, 4905), (3924, 4750), (4142, 4500), (4275, 4360)]