18982860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24337}}^1$

素因数の和:24362

約数の個数: 48

約数和(自身を含む): 57242976

約数和(自身を除く): 38260116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24337, 48674, 73011, 97348, 121685, 146022, 243370, 292044, 316381, 365055, 486740, 632762, 730110, 949143, 1265524, 1460220, 1581905, 1898286, 3163810, 3796572, 4745715, 6327620, 9491430, 18982860]

約数ペア:

[(1, 18982860), (2, 9491430), (3, 6327620), (4, 4745715), (5, 3796572), (6, 3163810), (10, 1898286), (12, 1581905), (13, 1460220), (15, 1265524), (20, 949143), (26, 730110), (30, 632762), (39, 486740), (52, 365055), (60, 316381), (65, 292044), (78, 243370), (130, 146022), (156, 121685), (195, 97348), (260, 73011), (390, 48674), (780, 24337)]