18220590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{457}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 47584368

約数和(自身を除く): 29363778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 443, 457, 886, 914, 1329, 1371, 2215, 2285, 2658, 2742, 3987, 4113, 4430, 4570, 6645, 6855, 7974, 8226, 13290, 13710, 19935, 20565, 39870, 41130, 202451, 404902, 607353, 1012255, 1214706, 1822059, 2024510, 3036765, 3644118, 6073530, 9110295, 18220590]

約数ペア:

[(1, 18220590), (2, 9110295), (3, 6073530), (5, 3644118), (6, 3036765), (9, 2024510), (10, 1822059), (15, 1214706), (18, 1012255), (30, 607353), (45, 404902), (90, 202451), (443, 41130), (457, 39870), (886, 20565), (914, 19935), (1329, 13710), (1371, 13290), (2215, 8226), (2285, 7974), (2658, 6855), (2742, 6645), (3987, 4570), (4113, 4430)]