18495475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 24060960

約数和(自身を除く): 5565485

約数列:

[1, 5, 25, 29, 97, 145, 263, 485, 725, 1315, 2425, 2813, 6575, 7627, 14065, 25511, 38135, 70325, 127555, 190675, 637775, 739819, 3699095, 18495475]

約数ペア:

[(1, 18495475), (5, 3699095), (25, 739819), (29, 637775), (97, 190675), (145, 127555), (263, 70325), (485, 38135), (725, 25511), (1315, 14065), (2425, 7627), (2813, 6575)]