18817130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1654

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 17574550

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 1559, 2414, 3118, 6035, 7795, 12070, 15590, 26503, 53006, 110689, 132515, 221378, 265030, 553445, 1106890, 1881713, 3763426, 9408565, 18817130]

約数ペア:

[(1, 18817130), (2, 9408565), (5, 3763426), (10, 1881713), (17, 1106890), (34, 553445), (71, 265030), (85, 221378), (142, 132515), (170, 110689), (355, 53006), (710, 26503), (1207, 15590), (1559, 12070), (2414, 7795), (3118, 6035)]