18621838

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 10118258

約数列:

[1, 2, 43, 86, 223, 446, 971, 1942, 9589, 19178, 41753, 83506, 216533, 433066, 9310919, 18621838]

約数ペア:

[(1, 18621838), (2, 9310919), (43, 433066), (86, 216533), (223, 83506), (446, 41753), (971, 19178), (1942, 9589)]