18134940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{631}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 50964480

約数和(自身を除く): 32829540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479, 631, 958, 1262, 1437, 1893, 1916, 2395, 2524, 2874, 3155, 3786, 4790, 5748, 6310, 7185, 7572, 9465, 9580, 12620, 14370, 18930, 28740, 37860, 302249, 604498, 906747, 1208996, 1511245, 1813494, 3022490, 3626988, 4533735, 6044980, 9067470, 18134940]

約数ペア:

[(1, 18134940), (2, 9067470), (3, 6044980), (4, 4533735), (5, 3626988), (6, 3022490), (10, 1813494), (12, 1511245), (15, 1208996), (20, 906747), (30, 604498), (60, 302249), (479, 37860), (631, 28740), (958, 18930), (1262, 14370), (1437, 12620), (1893, 9580), (1916, 9465), (2395, 7572), (2524, 7185), (2874, 6310), (3155, 5748), (3786, 4790)]