19925888

素因数分解:

$2^7\times {\mathrm{155671}}^1$

素因数の和:155685

約数の個数: 16

約数和(自身を含む): 39696360

約数和(自身を除く): 19770472

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 155671, 311342, 622684, 1245368, 2490736, 4981472, 9962944, 19925888]

約数ペア:

[(1, 19925888), (2, 9962944), (4, 4981472), (8, 2490736), (16, 1245368), (32, 622684), (64, 311342), (128, 155671)]