19551472

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53129}}^1$

素因数の和:53160

約数の個数: 20

約数和(自身を含む): 39528720

約数和(自身を除く): 19977248

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53129, 106258, 212516, 425032, 850064, 1221967, 2443934, 4887868, 9775736, 19551472]

約数ペア:

[(1, 19551472), (2, 9775736), (4, 4887868), (8, 2443934), (16, 1221967), (23, 850064), (46, 425032), (92, 212516), (184, 106258), (368, 53129)]