19511925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{8971}}^1$

素因数の和:9013

約数の個数: 24

約数和(自身を含む): 33375840

約数和(自身を除く): 13863915

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 8971, 26913, 44855, 134565, 224275, 260159, 672825, 780477, 1300795, 3902385, 6503975, 19511925]

約数ペア:

[(1, 19511925), (3, 6503975), (5, 3902385), (15, 1300795), (25, 780477), (29, 672825), (75, 260159), (87, 224275), (145, 134565), (435, 44855), (725, 26913), (2175, 8971)]