19753620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4637}}^1$

素因数の和:4720

約数の個数: 48

約数和(自身を含む): 56101248

約数和(自身を除く): 36347628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4637, 9274, 13911, 18548, 23185, 27822, 46370, 55644, 69555, 92740, 139110, 278220, 329227, 658454, 987681, 1316908, 1646135, 1975362, 3292270, 3950724, 4938405, 6584540, 9876810, 19753620]

約数ペア:

[(1, 19753620), (2, 9876810), (3, 6584540), (4, 4938405), (5, 3950724), (6, 3292270), (10, 1975362), (12, 1646135), (15, 1316908), (20, 987681), (30, 658454), (60, 329227), (71, 278220), (142, 139110), (213, 92740), (284, 69555), (355, 55644), (426, 46370), (710, 27822), (852, 23185), (1065, 18548), (1420, 13911), (2130, 9274), (4260, 4637)]