19772265

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 33057792

約数和(自身を除く): 13285527

約数列:

[1, 3, 5, 15, 31, 93, 101, 155, 303, 421, 465, 505, 1263, 1515, 2105, 3131, 6315, 9393, 13051, 15655, 39153, 42521, 46965, 65255, 127563, 195765, 212605, 637815, 1318151, 3954453, 6590755, 19772265]

約数ペア:

[(1, 19772265), (3, 6590755), (5, 3954453), (15, 1318151), (31, 637815), (93, 212605), (101, 195765), (155, 127563), (303, 65255), (421, 46965), (465, 42521), (505, 39153), (1263, 15655), (1515, 13051), (2105, 9393), (3131, 6315)]