18354040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3613}}^1$

素因数の和:3751

約数の個数: 32

約数和(自身を含む): 41633280

約数和(自身を除く): 23279240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3613, 5080, 7226, 14452, 18065, 28904, 36130, 72260, 144520, 458851, 917702, 1835404, 2294255, 3670808, 4588510, 9177020, 18354040]

約数ペア:

[(1, 18354040), (2, 9177020), (4, 4588510), (5, 3670808), (8, 2294255), (10, 1835404), (20, 917702), (40, 458851), (127, 144520), (254, 72260), (508, 36130), (635, 28904), (1016, 18065), (1270, 14452), (2540, 7226), (3613, 5080)]