19516760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13187}}^1$

素因数の和:13235

約数の個数: 32

約数和(自身を含む): 45102960

約数和(自身を除く): 25586200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13187, 26374, 52748, 65935, 105496, 131870, 263740, 487919, 527480, 975838, 1951676, 2439595, 3903352, 4879190, 9758380, 19516760]

約数ペア:

[(1, 19516760), (2, 9758380), (4, 4879190), (5, 3903352), (8, 2439595), (10, 1951676), (20, 975838), (37, 527480), (40, 487919), (74, 263740), (148, 131870), (185, 105496), (296, 65935), (370, 52748), (740, 26374), (1480, 13187)]