18607472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89459}}^1$

素因数の和:89480

約数の個数: 20

約数和(自身を含む): 38825640

約数和(自身を除く): 20218168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89459, 178918, 357836, 715672, 1162967, 1431344, 2325934, 4651868, 9303736, 18607472]

約数ペア:

[(1, 18607472), (2, 9303736), (4, 4651868), (8, 2325934), (13, 1431344), (16, 1162967), (26, 715672), (52, 357836), (104, 178918), (208, 89459)]