18498220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71147}}^1$

素因数の和:71169

約数の個数: 24

約数和(自身を含む): 41835024

約数和(自身を除く): 23336804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71147, 142294, 284588, 355735, 711470, 924911, 1422940, 1849822, 3699644, 4624555, 9249110, 18498220]

約数ペア:

[(1, 18498220), (2, 9249110), (4, 4624555), (5, 3699644), (10, 1849822), (13, 1422940), (20, 924911), (26, 711470), (52, 355735), (65, 284588), (130, 142294), (260, 71147)]