18323440

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1009}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 42832080

約数和(自身を除く): 24508640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1009, 1135, 1816, 2018, 2270, 3632, 4036, 4540, 5045, 8072, 9080, 10090, 16144, 18160, 20180, 40360, 80720, 229043, 458086, 916172, 1145215, 1832344, 2290430, 3664688, 4580860, 9161720, 18323440]

約数ペア:

[(1, 18323440), (2, 9161720), (4, 4580860), (5, 3664688), (8, 2290430), (10, 1832344), (16, 1145215), (20, 916172), (40, 458086), (80, 229043), (227, 80720), (454, 40360), (908, 20180), (1009, 18160), (1135, 16144), (1816, 10090), (2018, 9080), (2270, 8072), (3632, 5045), (4036, 4540)]