18855941

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2152

約数の個数: 16

約数和(自身を含む): 22035888

約数和(自身を除く): 3179947

約数列:

[1, 13, 17, 41, 221, 533, 697, 2081, 9061, 27053, 35377, 85321, 459901, 1109173, 1450457, 18855941]

約数ペア:

[(1, 18855941), (13, 1450457), (17, 1109173), (41, 459901), (221, 85321), (533, 35377), (697, 27053), (2081, 9061)]