19860750

素因数分解:

$2^1\times 3^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 66777984

約数和(自身を除く): 46917234

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 30, 35, 39, 42, 45, 50, 63, 65, 70, 75, 78, 90, 91, 97, 105, 117, 125, 126, 130, 150, 175, 182, 194, 195, 210, 225, 234, 250, 273, 291, 315, 325, 350, 375, 390, 450, 455, 485, 525, 546, 582, 585, 630, 650, 679, 750, 819, 873, 875, 910, 970, 975, 1050, 1125, 1170, 1261, 1358, 1365, 1455, 1575, 1625, 1638, 1746, 1750, 1950, 2037, 2250, 2275, 2425, 2522, 2625, 2730, 2910, 2925, 3150, 3250, 3395, 3783, 4074, 4095, 4365, 4550, 4850, 4875, 5250, 5850, 6111, 6305, 6790, 6825, 7275, 7566, 7875, 8190, 8730, 8827, 9750, 10185, 11349, 11375, 12125, 12222, 12610, 13650, 14550, 14625, 15750, 16975, 17654, 18915, 20370, 20475, 21825, 22698, 22750, 24250, 26481, 29250, 30555, 31525, 33950, 34125, 36375, 37830, 40950, 43650, 44135, 50925, 52962, 56745, 61110, 63050, 68250, 72750, 79443, 84875, 88270, 94575, 101850, 102375, 109125, 113490, 132405, 152775, 157625, 158886, 169750, 189150, 204750, 218250, 220675, 254625, 264810, 283725, 305550, 315250, 397215, 441350, 472875, 509250, 567450, 662025, 763875, 794430, 945750, 1103375, 1324050, 1418625, 1527750, 1986075, 2206750, 2837250, 3310125, 3972150, 6620250, 9930375, 19860750]

約数ペア:

[(1, 19860750), (2, 9930375), (3, 6620250), (5, 3972150), (6, 3310125), (7, 2837250), (9, 2206750), (10, 1986075), (13, 1527750), (14, 1418625), (15, 1324050), (18, 1103375), (21, 945750), (25, 794430), (26, 763875), (30, 662025), (35, 567450), (39, 509250), (42, 472875), (45, 441350), (50, 397215), (63, 315250), (65, 305550), (70, 283725), (75, 264810), (78, 254625), (90, 220675), (91, 218250), (97, 204750), (105, 189150), (117, 169750), (125, 158886), (126, 157625), (130, 152775), (150, 132405), (175, 113490), (182, 109125), (194, 102375), (195, 101850), (210, 94575), (225, 88270), (234, 84875), (250, 79443), (273, 72750), (291, 68250), (315, 63050), (325, 61110), (350, 56745), (375, 52962), (390, 50925), (450, 44135), (455, 43650), (485, 40950), (525, 37830), (546, 36375), (582, 34125), (585, 33950), (630, 31525), (650, 30555), (679, 29250), (750, 26481), (819, 24250), (873, 22750), (875, 22698), (910, 21825), (970, 20475), (975, 20370), (1050, 18915), (1125, 17654), (1170, 16975), (1261, 15750), (1358, 14625), (1365, 14550), (1455, 13650), (1575, 12610), (1625, 12222), (1638, 12125), (1746, 11375), (1750, 11349), (1950, 10185), (2037, 9750), (2250, 8827), (2275, 8730), (2425, 8190), (2522, 7875), (2625, 7566), (2730, 7275), (2910, 6825), (2925, 6790), (3150, 6305), (3250, 6111), (3395, 5850), (3783, 5250), (4074, 4875), (4095, 4850), (4365, 4550)]