19956970735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2437}}^1\times {\mathrm{7411}}^1$

素因数の和:9883

約数の個数: 32

約数和(自身を含む): 27322529472

約数和(自身を除く): 7365558737

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 2437, 7411, 12185, 31681, 37055, 41429, 96343, 125987, 158405, 207145, 481715, 538577, 629935, 1637831, 2692885, 8189155, 18060607, 90303035, 234787891, 307030319, 1173939455, 1535151595, 3991394147, 19956970735]

約数ペア:

[(1, 19956970735), (5, 3991394147), (13, 1535151595), (17, 1173939455), (65, 307030319), (85, 234787891), (221, 90303035), (1105, 18060607), (2437, 8189155), (7411, 2692885), (12185, 1637831), (31681, 629935), (37055, 538577), (41429, 481715), (96343, 207145), (125987, 158405)]