20180867848

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{1451}}^1\times {\mathrm{17923}}^1$

素因数の和:19477

約数の個数: 32

約数和(自身を含む): 38257702560

約数和(自身を除く): 18076834712

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 1451, 2902, 5804, 11608, 17923, 35846, 71692, 140747, 143384, 281494, 562988, 1125976, 1738531, 3477062, 6954124, 13908248, 26006273, 52012546, 104025092, 208050184, 2522608481, 5045216962, 10090433924, 20180867848]

約数ペア:

[(1, 20180867848), (2, 10090433924), (4, 5045216962), (8, 2522608481), (97, 208050184), (194, 104025092), (388, 52012546), (776, 26006273), (1451, 13908248), (2902, 6954124), (5804, 3477062), (11608, 1738531), (17923, 1125976), (35846, 562988), (71692, 281494), (140747, 143384)]