18252890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 34350480

約数和(自身を除く): 16097590

約数列:

[1, 2, 5, 10, 29, 58, 113, 145, 226, 290, 557, 565, 1114, 1130, 2785, 3277, 5570, 6554, 16153, 16385, 32306, 32770, 62941, 80765, 125882, 161530, 314705, 629410, 1825289, 3650578, 9126445, 18252890]

約数ペア:

[(1, 18252890), (2, 9126445), (5, 3650578), (10, 1825289), (29, 629410), (58, 314705), (113, 161530), (145, 125882), (226, 80765), (290, 62941), (557, 32770), (565, 32306), (1114, 16385), (1130, 16153), (2785, 6554), (3277, 5570)]