19997832959

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3221}}^1\times {\mathrm{9011}}^1$

素因数の和:12298

約数の個数: 16

約数和(自身を含む): 21951717984

約数和(自身を除く): 1953885025

約数列:

[1, 13, 53, 689, 3221, 9011, 41873, 117143, 170713, 477583, 2219269, 6208579, 29024431, 377317603, 1538294843, 19997832959]

約数ペア:

[(1, 19997832959), (13, 1538294843), (53, 377317603), (689, 29024431), (3221, 6208579), (9011, 2219269), (41873, 477583), (117143, 170713)]