18051404

素因数分解:

$2^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 37632000

約数和(自身を除く): 19580596

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 98, 118, 196, 223, 236, 343, 413, 446, 686, 826, 892, 1372, 1561, 1652, 2891, 3122, 5782, 6244, 10927, 11564, 13157, 20237, 21854, 26314, 40474, 43708, 52628, 76489, 80948, 92099, 152978, 184198, 305956, 368396, 644693, 1289386, 2578772, 4512851, 9025702, 18051404]

約数ペア:

[(1, 18051404), (2, 9025702), (4, 4512851), (7, 2578772), (14, 1289386), (28, 644693), (49, 368396), (59, 305956), (98, 184198), (118, 152978), (196, 92099), (223, 80948), (236, 76489), (343, 52628), (413, 43708), (446, 40474), (686, 26314), (826, 21854), (892, 20237), (1372, 13157), (1561, 11564), (1652, 10927), (2891, 6244), (3122, 5782)]