19839850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1373}}^1$

素因数の和:1419

約数の個数: 36

約数和(自身を含む): 39229074

約数和(自身を除く): 19389224

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 578, 850, 1373, 1445, 2746, 2890, 6865, 7225, 13730, 14450, 23341, 34325, 46682, 68650, 116705, 233410, 396797, 583525, 793594, 1167050, 1983985, 3967970, 9919925, 19839850]

約数ペア:

[(1, 19839850), (2, 9919925), (5, 3967970), (10, 1983985), (17, 1167050), (25, 793594), (34, 583525), (50, 396797), (85, 233410), (170, 116705), (289, 68650), (425, 46682), (578, 34325), (850, 23341), (1373, 14450), (1445, 13730), (2746, 7225), (2890, 6865)]