19714370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 18811390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1091, 1390, 1807, 2182, 3614, 5455, 9035, 10910, 14183, 18070, 28366, 70915, 141830, 151649, 303298, 758245, 1516490, 1971437, 3942874, 9857185, 19714370]

約数ペア:

[(1, 19714370), (2, 9857185), (5, 3942874), (10, 1971437), (13, 1516490), (26, 758245), (65, 303298), (130, 151649), (139, 141830), (278, 70915), (695, 28366), (1091, 18070), (1390, 14183), (1807, 10910), (2182, 9035), (3614, 5455)]