18934641

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 31363200

約数和(自身を除く): 12428559

約数列:

[1, 3, 9, 11, 27, 33, 79, 81, 99, 237, 269, 297, 711, 807, 869, 891, 2133, 2421, 2607, 2959, 6399, 7263, 7821, 8877, 21251, 21789, 23463, 26631, 63753, 70389, 79893, 191259, 233761, 239679, 573777, 701283, 1721331, 2103849, 6311547, 18934641]

約数ペア:

[(1, 18934641), (3, 6311547), (9, 2103849), (11, 1721331), (27, 701283), (33, 573777), (79, 239679), (81, 233761), (99, 191259), (237, 79893), (269, 70389), (297, 63753), (711, 26631), (807, 23463), (869, 21789), (891, 21251), (2133, 8877), (2421, 7821), (2607, 7263), (2959, 6399)]