18835011

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 31332224

約数和(自身を除く): 12497213

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 279, 351, 403, 577, 837, 1053, 1209, 1731, 2511, 3627, 5193, 7501, 10881, 15579, 17887, 22503, 32643, 46737, 53661, 67509, 160983, 202527, 232531, 482949, 607581, 697593, 1448847, 2092779, 6278337, 18835011]

約数ペア:

[(1, 18835011), (3, 6278337), (9, 2092779), (13, 1448847), (27, 697593), (31, 607581), (39, 482949), (81, 232531), (93, 202527), (117, 160983), (279, 67509), (351, 53661), (403, 46737), (577, 32643), (837, 22503), (1053, 17887), (1209, 15579), (1731, 10881), (2511, 7501), (3627, 5193)]