19717278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3109}}^1$

素因数の和:3272

約数の個数: 32

約数和(自身を含む): 45381120

約数和(自身を除く): 25663842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 151, 302, 453, 906, 1057, 2114, 3109, 3171, 6218, 6342, 9327, 18654, 21763, 43526, 65289, 130578, 469459, 938918, 1408377, 2816754, 3286213, 6572426, 9858639, 19717278]

約数ペア:

[(1, 19717278), (2, 9858639), (3, 6572426), (6, 3286213), (7, 2816754), (14, 1408377), (21, 938918), (42, 469459), (151, 130578), (302, 65289), (453, 43526), (906, 21763), (1057, 18654), (2114, 9327), (3109, 6342), (3171, 6218)]