19798199896

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{1153}}^1\times {\mathrm{15667}}^1$

素因数の和:16963

約数の個数: 32

約数和(自身を含む): 37427405040

約数和(自身を除く): 17629205144

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 1153, 2306, 4612, 9224, 15667, 31334, 62668, 125336, 157961, 315922, 631844, 1263688, 2146379, 4292758, 8585516, 17171032, 18064051, 36128102, 72256204, 144512408, 2474774987, 4949549974, 9899099948, 19798199896]

約数ペア:

[(1, 19798199896), (2, 9899099948), (4, 4949549974), (8, 2474774987), (137, 144512408), (274, 72256204), (548, 36128102), (1096, 18064051), (1153, 17171032), (2306, 8585516), (4612, 4292758), (9224, 2146379), (15667, 1263688), (31334, 631844), (62668, 315922), (125336, 157961)]