19596760

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{709}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 44218800

約数和(自身を除く): 24622040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 709, 1382, 1418, 2764, 2836, 3455, 3545, 5528, 5672, 6910, 7090, 13820, 14180, 27640, 28360, 489919, 979838, 1959676, 2449595, 3919352, 4899190, 9798380, 19596760]

約数ペア:

[(1, 19596760), (2, 9798380), (4, 4899190), (5, 3919352), (8, 2449595), (10, 1959676), (20, 979838), (40, 489919), (691, 28360), (709, 27640), (1382, 14180), (1418, 13820), (2764, 7090), (2836, 6910), (3455, 5672), (3545, 5528)]