18540464

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10631}}^1$

素因数の和:10748

約数の個数: 20

約数和(自身を含む): 36255120

約数和(自身を除く): 17714656

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10631, 21262, 42524, 85048, 170096, 1158779, 2317558, 4635116, 9270232, 18540464]

約数ペア:

[(1, 18540464), (2, 9270232), (4, 4635116), (8, 2317558), (16, 1158779), (109, 170096), (218, 85048), (436, 42524), (872, 21262), (1744, 10631)]