18622020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2083}}^1$

素因数の和:2244

約数の個数: 48

約数和(自身を含む): 52516800

約数和(自身を除く): 33894780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2083, 2235, 2980, 4166, 4470, 6249, 8332, 8940, 10415, 12498, 20830, 24996, 31245, 41660, 62490, 124980, 310367, 620734, 931101, 1241468, 1551835, 1862202, 3103670, 3724404, 4655505, 6207340, 9311010, 18622020]

約数ペア:

[(1, 18622020), (2, 9311010), (3, 6207340), (4, 4655505), (5, 3724404), (6, 3103670), (10, 1862202), (12, 1551835), (15, 1241468), (20, 931101), (30, 620734), (60, 310367), (149, 124980), (298, 62490), (447, 41660), (596, 31245), (745, 24996), (894, 20830), (1490, 12498), (1788, 10415), (2083, 8940), (2235, 8332), (2980, 6249), (4166, 4470)]