18197660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69991}}^1$

素因数の和:70013

約数の個数: 24

約数和(自身を含む): 41155296

約数和(自身を除く): 22957636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69991, 139982, 279964, 349955, 699910, 909883, 1399820, 1819766, 3639532, 4549415, 9098830, 18197660]

約数ペア:

[(1, 18197660), (2, 9098830), (4, 4549415), (5, 3639532), (10, 1819766), (13, 1399820), (20, 909883), (26, 699910), (52, 349955), (65, 279964), (130, 139982), (260, 69991)]