23185390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 19582610

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 239, 445, 478, 545, 890, 1090, 1195, 2390, 9701, 19402, 21271, 26051, 42542, 48505, 52102, 97010, 106355, 130255, 212710, 260510, 2318539, 4637078, 11592695, 23185390]

約数ペア:

[(1, 23185390), (2, 11592695), (5, 4637078), (10, 2318539), (89, 260510), (109, 212710), (178, 130255), (218, 106355), (239, 97010), (445, 52102), (478, 48505), (545, 42542), (890, 26051), (1090, 21271), (1195, 19402), (2390, 9701)]