18436005160

素因数分解:

$2^3\times 5^1\times {\mathrm{460900129}}^1$

素因数の和:460900140

約数の個数: 16

約数和(自身を含む): 41481011700

約数和(自身を除く): 23045006540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 460900129, 921800258, 1843600516, 2304500645, 3687201032, 4609001290, 9218002580, 18436005160]

約数ペア:

[(1, 18436005160), (2, 9218002580), (4, 4609001290), (5, 3687201032), (8, 2304500645), (10, 1843600516), (20, 921800258), (40, 460900129)]