18710835

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 36216432

約数和(自身を除く): 17505597

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 61, 65, 121, 143, 165, 169, 183, 195, 305, 363, 429, 507, 605, 671, 715, 793, 845, 915, 1573, 1815, 1859, 2013, 2145, 2379, 2535, 3355, 3965, 4719, 5577, 7381, 7865, 8723, 9295, 10065, 10309, 11895, 20449, 22143, 23595, 26169, 27885, 30927, 36905, 43615, 51545, 61347, 95953, 102245, 110715, 113399, 130845, 154635, 287859, 306735, 340197, 479765, 566995, 1247389, 1439295, 1700985, 3742167, 6236945, 18710835]

約数ペア:

[(1, 18710835), (3, 6236945), (5, 3742167), (11, 1700985), (13, 1439295), (15, 1247389), (33, 566995), (39, 479765), (55, 340197), (61, 306735), (65, 287859), (121, 154635), (143, 130845), (165, 113399), (169, 110715), (183, 102245), (195, 95953), (305, 61347), (363, 51545), (429, 43615), (507, 36905), (605, 30927), (671, 27885), (715, 26169), (793, 23595), (845, 22143), (915, 20449), (1573, 11895), (1815, 10309), (1859, 10065), (2013, 9295), (2145, 8723), (2379, 7865), (2535, 7381), (3355, 5577), (3965, 4719)]