19763445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2357}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 34860672

約数和(自身を除く): 15097227

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2357, 2795, 7071, 8385, 11785, 30641, 35355, 91923, 101351, 153205, 304053, 459615, 506755, 1317563, 1520265, 3952689, 6587815, 19763445]

約数ペア:

[(1, 19763445), (3, 6587815), (5, 3952689), (13, 1520265), (15, 1317563), (39, 506755), (43, 459615), (65, 304053), (129, 153205), (195, 101351), (215, 91923), (559, 35355), (645, 30641), (1677, 11785), (2357, 8385), (2795, 7071)]