18201130

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 15764438

約数列:

[1, 2, 5, 10, 41, 82, 103, 205, 206, 410, 431, 515, 862, 1030, 2155, 4223, 4310, 8446, 17671, 21115, 35342, 42230, 44393, 88355, 88786, 176710, 221965, 443930, 1820113, 3640226, 9100565, 18201130]

約数ペア:

[(1, 18201130), (2, 9100565), (5, 3640226), (10, 1820113), (41, 443930), (82, 221965), (103, 176710), (205, 88786), (206, 88355), (410, 44393), (431, 42230), (515, 35342), (862, 21115), (1030, 17671), (2155, 8446), (4223, 4310)]