18813480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22397}}^1$

素因数の和:22418

約数の個数: 64

約数和(自身を含む): 64506240

約数和(自身を除く): 45692760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22397, 44794, 67191, 89588, 111985, 134382, 156779, 179176, 223970, 268764, 313558, 335955, 447940, 470337, 537528, 627116, 671910, 783895, 895880, 940674, 1254232, 1343820, 1567790, 1881348, 2351685, 2687640, 3135580, 3762696, 4703370, 6271160, 9406740, 18813480]

約数ペア:

[(1, 18813480), (2, 9406740), (3, 6271160), (4, 4703370), (5, 3762696), (6, 3135580), (7, 2687640), (8, 2351685), (10, 1881348), (12, 1567790), (14, 1343820), (15, 1254232), (20, 940674), (21, 895880), (24, 783895), (28, 671910), (30, 627116), (35, 537528), (40, 470337), (42, 447940), (56, 335955), (60, 313558), (70, 268764), (84, 223970), (105, 179176), (120, 156779), (140, 134382), (168, 111985), (210, 89588), (280, 67191), (420, 44794), (840, 22397)]