18656968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5171}}^1$

素因数の和:5229

約数の個数: 32

約数和(自身を含む): 39100320

約数和(自身を除く): 20443352

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5171, 10342, 20684, 41368, 56881, 113762, 212011, 227524, 424022, 455048, 848044, 1696088, 2332121, 4664242, 9328484, 18656968]

約数ペア:

[(1, 18656968), (2, 9328484), (4, 4664242), (8, 2332121), (11, 1696088), (22, 848044), (41, 455048), (44, 424022), (82, 227524), (88, 212011), (164, 113762), (328, 56881), (451, 41368), (902, 20684), (1804, 10342), (3608, 5171)]