19531895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3767}}^1$

素因数の和:3850

約数の個数: 16

約数和(自身を含む): 25230528

約数和(自身を除く): 5698633

約数列:

[1, 5, 17, 61, 85, 305, 1037, 3767, 5185, 18835, 64039, 229787, 320195, 1148935, 3906379, 19531895]

約数ペア:

[(1, 19531895), (5, 3906379), (17, 1148935), (61, 320195), (85, 229787), (305, 64039), (1037, 18835), (3767, 5185)]