18840416

素因数分解:

$2^5\times 7^1\times {\mathrm{241}}^1\times {\mathrm{349}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 42688800

約数和(自身を除く): 23848384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 241, 349, 482, 698, 964, 1396, 1687, 1928, 2443, 2792, 3374, 3856, 4886, 5584, 6748, 7712, 9772, 11168, 13496, 19544, 26992, 39088, 53984, 78176, 84109, 168218, 336436, 588763, 672872, 1177526, 1345744, 2355052, 2691488, 4710104, 9420208, 18840416]

約数ペア:

[(1, 18840416), (2, 9420208), (4, 4710104), (7, 2691488), (8, 2355052), (14, 1345744), (16, 1177526), (28, 672872), (32, 588763), (56, 336436), (112, 168218), (224, 84109), (241, 78176), (349, 53984), (482, 39088), (698, 26992), (964, 19544), (1396, 13496), (1687, 11168), (1928, 9772), (2443, 7712), (2792, 6748), (3374, 5584), (3856, 4886)]