18078565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4013}}^1$

素因数の和:4088

約数の個数: 16

約数和(自身を含む): 23409648

約数和(自身を除く): 5331083

約数列:

[1, 5, 17, 53, 85, 265, 901, 4013, 4505, 20065, 68221, 212689, 341105, 1063445, 3615713, 18078565]

約数ペア:

[(1, 18078565), (5, 3615713), (17, 1063445), (53, 341105), (85, 212689), (265, 68221), (901, 20065), (4013, 4505)]