19428225

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{3121}}^1$

素因数の和:3217

約数の個数: 24

約数和(自身を含む): 32518752

約数和(自身を除く): 13090527

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 1245, 2075, 3121, 6225, 9363, 15605, 46815, 78025, 234075, 259043, 777129, 1295215, 3885645, 6476075, 19428225]

約数ペア:

[(1, 19428225), (3, 6476075), (5, 3885645), (15, 1295215), (25, 777129), (75, 259043), (83, 234075), (249, 78025), (415, 46815), (1245, 15605), (2075, 9363), (3121, 6225)]