18847595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5471}}^1$

素因数の和:5542

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 5973397

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 5471, 27355, 71123, 289963, 355615, 1449815, 3769519, 18847595]

約数ペア:

[(1, 18847595), (5, 3769519), (13, 1449815), (53, 355615), (65, 289963), (265, 71123), (689, 27355), (3445, 5471)]