19796025

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4327}}^1$

素因数の和:4401

約数の個数: 24

約数和(自身を含む): 33273664

約数和(自身を除く): 13477639

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4327, 4575, 12981, 21635, 64905, 108175, 263947, 324525, 791841, 1319735, 3959205, 6598675, 19796025]

約数ペア:

[(1, 19796025), (3, 6598675), (5, 3959205), (15, 1319735), (25, 791841), (61, 324525), (75, 263947), (183, 108175), (305, 64905), (915, 21635), (1525, 12981), (4327, 4575)]