18059489

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 22161600

約数和(自身を除く): 4102111

約数列:

[1, 7, 29, 49, 71, 179, 203, 497, 1253, 1421, 2059, 3479, 5191, 8771, 12709, 14413, 36337, 88963, 100891, 254359, 368561, 622741, 2579927, 18059489]

約数ペア:

[(1, 18059489), (7, 2579927), (29, 622741), (49, 368561), (71, 254359), (179, 100891), (203, 88963), (497, 36337), (1253, 14413), (1421, 12709), (2059, 8771), (3479, 5191)]