18272120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19861}}^1$

素因数の和:19895

約数の個数: 32

約数和(自身を含む): 42901920

約数和(自身を除く): 24629800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19861, 39722, 79444, 99305, 158888, 198610, 397220, 456803, 794440, 913606, 1827212, 2284015, 3654424, 4568030, 9136060, 18272120]

約数ペア:

[(1, 18272120), (2, 9136060), (4, 4568030), (5, 3654424), (8, 2284015), (10, 1827212), (20, 913606), (23, 794440), (40, 456803), (46, 397220), (92, 198610), (115, 158888), (184, 99305), (230, 79444), (460, 39722), (920, 19861)]