18689195776

素因数分解:

$2^8\times {\mathrm{73004671}}^1$

素因数の和:73004687

約数の個数: 18

約数和(自身を含む): 37305387392

約数和(自身を除く): 18616191616

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 73004671, 146009342, 292018684, 584037368, 1168074736, 2336149472, 4672298944, 9344597888, 18689195776]

約数ペア:

[(1, 18689195776), (2, 9344597888), (4, 4672298944), (8, 2336149472), (16, 1168074736), (32, 584037368), (64, 292018684), (128, 146009342), (256, 73004671)]