18266789

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 20117808

約数和(自身を除く): 1851019

約数列:

[1, 17, 37, 113, 257, 629, 1921, 4181, 4369, 9509, 29041, 71077, 161653, 493697, 1074517, 18266789]

約数ペア:

[(1, 18266789), (17, 1074517), (37, 493697), (113, 161653), (257, 71077), (629, 29041), (1921, 9509), (4181, 4369)]