18353457

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 27605760

約数和(自身を除く): 9252303

約数列:

[1, 3, 9, 31, 93, 157, 279, 419, 471, 1257, 1413, 3771, 4867, 12989, 14601, 38967, 43803, 65783, 116901, 197349, 592047, 2039273, 6117819, 18353457]

約数ペア:

[(1, 18353457), (3, 6117819), (9, 2039273), (31, 592047), (93, 197349), (157, 116901), (279, 65783), (419, 43803), (471, 38967), (1257, 14601), (1413, 12989), (3771, 4867)]