18466712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1213}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 38022480

約数和(自身を除く): 19555768

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 173, 346, 692, 1213, 1384, 1903, 2426, 3806, 4852, 7612, 9704, 13343, 15224, 26686, 53372, 106744, 209849, 419698, 839396, 1678792, 2308339, 4616678, 9233356, 18466712]

約数ペア:

[(1, 18466712), (2, 9233356), (4, 4616678), (8, 2308339), (11, 1678792), (22, 839396), (44, 419698), (88, 209849), (173, 106744), (346, 53372), (692, 26686), (1213, 15224), (1384, 13343), (1903, 9704), (2426, 7612), (3806, 4852)]