18983866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 33187968

約数和(自身を除く): 14204102

約数列:

[1, 2, 11, 17, 22, 34, 187, 193, 263, 374, 386, 526, 2123, 2893, 3281, 4246, 4471, 5786, 6562, 8942, 36091, 49181, 50759, 72182, 98362, 101518, 558349, 862903, 1116698, 1725806, 9491933, 18983866]

約数ペア:

[(1, 18983866), (2, 9491933), (11, 1725806), (17, 1116698), (22, 862903), (34, 558349), (187, 101518), (193, 98362), (263, 72182), (374, 50759), (386, 49181), (526, 36091), (2123, 8942), (2893, 6562), (3281, 5786), (4246, 4471)]