19715384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{647}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 40007520

約数和(自身を除く): 20292136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 293, 586, 647, 1172, 1294, 2344, 2588, 3809, 5176, 7618, 8411, 15236, 16822, 30472, 33644, 67288, 189571, 379142, 758284, 1516568, 2464423, 4928846, 9857692, 19715384]

約数ペア:

[(1, 19715384), (2, 9857692), (4, 4928846), (8, 2464423), (13, 1516568), (26, 758284), (52, 379142), (104, 189571), (293, 67288), (586, 33644), (647, 30472), (1172, 16822), (1294, 15236), (2344, 8411), (2588, 7618), (3809, 5176)]