19933565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 26593920

約数和(自身を除く): 6660355

約数列:

[1, 5, 19, 37, 53, 95, 107, 185, 265, 535, 703, 1007, 1961, 2033, 3515, 3959, 5035, 5671, 9805, 10165, 19795, 28355, 37259, 75221, 107749, 186295, 209827, 376105, 538745, 1049135, 3986713, 19933565]

約数ペア:

[(1, 19933565), (5, 3986713), (19, 1049135), (37, 538745), (53, 376105), (95, 209827), (107, 186295), (185, 107749), (265, 75221), (535, 37259), (703, 28355), (1007, 19795), (1961, 10165), (2033, 9805), (3515, 5671), (3959, 5035)]