19565128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 40239360

約数和(自身を除く): 20674232

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223, 446, 892, 997, 1784, 1994, 2453, 3988, 4906, 7976, 9812, 10967, 19624, 21934, 43868, 87736, 222331, 444662, 889324, 1778648, 2445641, 4891282, 9782564, 19565128]

約数ペア:

[(1, 19565128), (2, 9782564), (4, 4891282), (8, 2445641), (11, 1778648), (22, 889324), (44, 444662), (88, 222331), (223, 87736), (446, 43868), (892, 21934), (997, 19624), (1784, 10967), (1994, 9812), (2453, 7976), (3988, 4906)]