19712970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{24337}}^1$

素因数の和:24356

約数の個数: 40

約数和(自身を含む): 53008164

約数和(自身を除く): 33295194

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 24337, 48674, 73011, 121685, 146022, 219033, 243370, 365055, 438066, 657099, 730110, 1095165, 1314198, 1971297, 2190330, 3285495, 3942594, 6570990, 9856485, 19712970]

約数ペア:

[(1, 19712970), (2, 9856485), (3, 6570990), (5, 3942594), (6, 3285495), (9, 2190330), (10, 1971297), (15, 1314198), (18, 1095165), (27, 730110), (30, 657099), (45, 438066), (54, 365055), (81, 243370), (90, 219033), (135, 146022), (162, 121685), (270, 73011), (405, 48674), (810, 24337)]