19021965

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 31539456

約数和(自身を除く): 12517491

約数列:

[1, 3, 5, 15, 53, 71, 159, 213, 265, 337, 355, 795, 1011, 1065, 1685, 3763, 5055, 11289, 17861, 18815, 23927, 53583, 56445, 71781, 89305, 119635, 267915, 358905, 1268131, 3804393, 6340655, 19021965]

約数ペア:

[(1, 19021965), (3, 6340655), (5, 3804393), (15, 1268131), (53, 358905), (71, 267915), (159, 119635), (213, 89305), (265, 71781), (337, 56445), (355, 53583), (795, 23927), (1011, 18815), (1065, 17861), (1685, 11289), (3763, 5055)]