18702760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12637}}^1$

素因数の和:12685

約数の個数: 32

約数和(自身を含む): 43221960

約数和(自身を除く): 24519200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12637, 25274, 50548, 63185, 101096, 126370, 252740, 467569, 505480, 935138, 1870276, 2337845, 3740552, 4675690, 9351380, 18702760]

約数ペア:

[(1, 18702760), (2, 9351380), (4, 4675690), (5, 3740552), (8, 2337845), (10, 1870276), (20, 935138), (37, 505480), (40, 467569), (74, 252740), (148, 126370), (185, 101096), (296, 63185), (370, 50548), (740, 25274), (1480, 12637)]