19690998

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2719}}^1$

素因数の和:2812

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 22610442

約数列:

[1, 2, 3, 6, 17, 34, 51, 71, 102, 142, 213, 426, 1207, 2414, 2719, 3621, 5438, 7242, 8157, 16314, 46223, 92446, 138669, 193049, 277338, 386098, 579147, 1158294, 3281833, 6563666, 9845499, 19690998]

約数ペア:

[(1, 19690998), (2, 9845499), (3, 6563666), (6, 3281833), (17, 1158294), (34, 579147), (51, 386098), (71, 277338), (102, 193049), (142, 138669), (213, 92446), (426, 46223), (1207, 16314), (2414, 8157), (2719, 7242), (3621, 5438)]