18649436320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197893}}^1$

素因数の和:197958

約数の個数: 96

約数和(自身を含む): 47874516480

約数和(自身を除く): 29225080160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 496, 589, 608, 620, 760, 992, 1178, 1240, 1520, 2356, 2480, 2945, 3040, 4712, 4960, 5890, 9424, 11780, 18848, 23560, 47120, 94240, 197893, 395786, 791572, 989465, 1583144, 1978930, 3166288, 3759967, 3957860, 6134683, 6332576, 7519934, 7915720, 12269366, 15039868, 15831440, 18799835, 24538732, 30079736, 30673415, 31662880, 37599670, 49077464, 60159472, 61346830, 75199340, 98154928, 116558977, 120318944, 122693660, 150398680, 196309856, 233117954, 245387320, 300797360, 466235908, 490774640, 582794885, 601594720, 932471816, 981549280, 1165589770, 1864943632, 2331179540, 3729887264, 4662359080, 9324718160, 18649436320]

約数ペア:

[(1, 18649436320), (2, 9324718160), (4, 4662359080), (5, 3729887264), (8, 2331179540), (10, 1864943632), (16, 1165589770), (19, 981549280), (20, 932471816), (31, 601594720), (32, 582794885), (38, 490774640), (40, 466235908), (62, 300797360), (76, 245387320), (80, 233117954), (95, 196309856), (124, 150398680), (152, 122693660), (155, 120318944), (160, 116558977), (190, 98154928), (248, 75199340), (304, 61346830), (310, 60159472), (380, 49077464), (496, 37599670), (589, 31662880), (608, 30673415), (620, 30079736), (760, 24538732), (992, 18799835), (1178, 15831440), (1240, 15039868), (1520, 12269366), (2356, 7915720), (2480, 7519934), (2945, 6332576), (3040, 6134683), (4712, 3957860), (4960, 3759967), (5890, 3166288), (9424, 1978930), (11780, 1583144), (18848, 989465), (23560, 791572), (47120, 395786), (94240, 197893)]