18685251

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5507}}^1$

素因数の和:5555

約数の個数: 24

約数和(自身を含む): 30073680

約数和(自身を除く): 11388429

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 5507, 16521, 49563, 71591, 159703, 214773, 479109, 644319, 1437327, 2076139, 6228417, 18685251]

約数ペア:

[(1, 18685251), (3, 6228417), (9, 2076139), (13, 1437327), (29, 644319), (39, 479109), (87, 214773), (117, 159703), (261, 71591), (377, 49563), (1131, 16521), (3393, 5507)]