18122535

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1543}}^1$

素因数の和:1589

約数の個数: 40

約数和(自身を含む): 33628320

約数和(自身を除く): 15505785

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1543, 2349, 3915, 4629, 7715, 11745, 13887, 23145, 41661, 44747, 69435, 124983, 134241, 208305, 223735, 402723, 624915, 671205, 1208169, 2013615, 3624507, 6040845, 18122535]

約数ペア:

[(1, 18122535), (3, 6040845), (5, 3624507), (9, 2013615), (15, 1208169), (27, 671205), (29, 624915), (45, 402723), (81, 223735), (87, 208305), (135, 134241), (145, 124983), (261, 69435), (405, 44747), (435, 41661), (783, 23145), (1305, 13887), (1543, 11745), (2349, 7715), (3915, 4629)]