18755121

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 40

約数和(自身を含む): 31952320

約数和(自身を除く): 13197199

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 121, 183, 231, 363, 427, 671, 847, 1281, 1331, 2013, 2541, 3993, 4697, 7381, 9317, 14091, 14641, 22143, 27951, 43923, 51667, 81191, 102487, 155001, 243573, 307461, 568337, 893101, 1705011, 2679303, 6251707, 18755121]

約数ペア:

[(1, 18755121), (3, 6251707), (7, 2679303), (11, 1705011), (21, 893101), (33, 568337), (61, 307461), (77, 243573), (121, 155001), (183, 102487), (231, 81191), (363, 51667), (427, 43923), (671, 27951), (847, 22143), (1281, 14641), (1331, 14091), (2013, 9317), (2541, 7381), (3993, 4697)]