18142480

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{941}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 42401304

約数和(自身を除く): 24258824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 941, 964, 1205, 1882, 1928, 2410, 3764, 3856, 4705, 4820, 7528, 9410, 9640, 15056, 18820, 19280, 37640, 75280, 226781, 453562, 907124, 1133905, 1814248, 2267810, 3628496, 4535620, 9071240, 18142480]

約数ペア:

[(1, 18142480), (2, 9071240), (4, 4535620), (5, 3628496), (8, 2267810), (10, 1814248), (16, 1133905), (20, 907124), (40, 453562), (80, 226781), (241, 75280), (482, 37640), (941, 19280), (964, 18820), (1205, 15056), (1882, 9640), (1928, 9410), (2410, 7528), (3764, 4820), (3856, 4705)]