18194787

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 30126096

約数和(自身を除く): 11931309

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 351, 467, 481, 999, 1053, 1401, 1443, 2997, 4203, 4329, 6071, 12609, 12987, 17279, 18213, 37827, 38961, 51837, 54639, 155511, 163917, 224627, 466533, 491751, 673881, 1399599, 2021643, 6064929, 18194787]

約数ペア:

[(1, 18194787), (3, 6064929), (9, 2021643), (13, 1399599), (27, 673881), (37, 491751), (39, 466533), (81, 224627), (111, 163917), (117, 155511), (333, 54639), (351, 51837), (467, 38961), (481, 37827), (999, 18213), (1053, 17279), (1401, 12987), (1443, 12609), (2997, 6071), (4203, 4329)]