19933275

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4357}}^1$

素因数の和:4431

約数の個数: 24

約数和(自身を含む): 33504304

約数和(自身を除く): 13571029

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4357, 4575, 13071, 21785, 65355, 108925, 265777, 326775, 797331, 1328885, 3986655, 6644425, 19933275]

約数ペア:

[(1, 19933275), (3, 6644425), (5, 3986655), (15, 1328885), (25, 797331), (61, 326775), (75, 265777), (183, 108925), (305, 65355), (915, 21785), (1525, 13071), (4357, 4575)]