18976408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{967}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 20053352

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223, 446, 892, 967, 1784, 1934, 2453, 3868, 4906, 7736, 9812, 10637, 19624, 21274, 42548, 85096, 215641, 431282, 862564, 1725128, 2372051, 4744102, 9488204, 18976408]

約数ペア:

[(1, 18976408), (2, 9488204), (4, 4744102), (8, 2372051), (11, 1725128), (22, 862564), (44, 431282), (88, 215641), (223, 85096), (446, 42548), (892, 21274), (967, 19624), (1784, 10637), (1934, 9812), (2453, 7736), (3868, 4906)]