19995776

素因数分解:

$2^7\times {\mathrm{156217}}^1$

素因数の和:156231

約数の個数: 16

約数和(自身を含む): 39835590

約数和(自身を除く): 19839814

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 156217, 312434, 624868, 1249736, 2499472, 4998944, 9997888, 19995776]

約数ペア:

[(1, 19995776), (2, 9997888), (4, 4998944), (8, 2499472), (16, 1249736), (32, 624868), (64, 312434), (128, 156217)]