18405413

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 20697600

約数和(自身を除く): 2292187

約数列:

[1, 13, 31, 109, 403, 419, 1417, 3379, 5447, 12989, 43927, 45671, 168857, 593723, 1415801, 18405413]

約数ペア:

[(1, 18405413), (13, 1415801), (31, 593723), (109, 168857), (403, 45671), (419, 43927), (1417, 12989), (3379, 5447)]