18685684912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68697371}}^1$

素因数の和:68697396

約数の個数: 20

約数和(自身を含む): 38333133576

約数和(自身を除く): 19647448664

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68697371, 137394742, 274789484, 549578968, 1099157936, 1167855307, 2335710614, 4671421228, 9342842456, 18685684912]

約数ペア:

[(1, 18685684912), (2, 9342842456), (4, 4671421228), (8, 2335710614), (16, 1167855307), (17, 1099157936), (34, 549578968), (68, 274789484), (136, 137394742), (272, 68697371)]