18268118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 31656960

約数和(自身を除く): 13388842

約数列:

[1, 2, 11, 22, 23, 46, 79, 158, 253, 457, 506, 869, 914, 1738, 1817, 3634, 5027, 10054, 10511, 19987, 21022, 36103, 39974, 72206, 115621, 231242, 397133, 794266, 830369, 1660738, 9134059, 18268118]

約数ペア:

[(1, 18268118), (2, 9134059), (11, 1660738), (22, 830369), (23, 794266), (46, 397133), (79, 231242), (158, 115621), (253, 72206), (457, 39974), (506, 36103), (869, 21022), (914, 19987), (1738, 10511), (1817, 10054), (3634, 5027)]