18446960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32941}}^1$

素因数の和:32961

約数の個数: 40

約数和(自身を含む): 49017696

約数和(自身を除く): 30570736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32941, 65882, 131764, 164705, 230587, 263528, 329410, 461174, 527056, 658820, 922348, 1152935, 1317640, 1844696, 2305870, 2635280, 3689392, 4611740, 9223480, 18446960]

約数ペア:

[(1, 18446960), (2, 9223480), (4, 4611740), (5, 3689392), (7, 2635280), (8, 2305870), (10, 1844696), (14, 1317640), (16, 1152935), (20, 922348), (28, 658820), (35, 527056), (40, 461174), (56, 329410), (70, 263528), (80, 230587), (112, 164705), (140, 131764), (280, 65882), (560, 32941)]