19953225

素因数分解:

$3^2\times 5^2\times {\mathrm{88681}}^1$

素因数の和:88697

約数の個数: 18

約数和(自身を含む): 35738846

約数和(自身を除く): 15785621

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 88681, 266043, 443405, 798129, 1330215, 2217025, 3990645, 6651075, 19953225]

約数ペア:

[(1, 19953225), (3, 6651075), (5, 3990645), (9, 2217025), (15, 1330215), (25, 798129), (45, 443405), (75, 266043), (225, 88681)]