19556830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{45481}}^1$

素因数の和:45531

約数の個数: 16

約数和(自身を含む): 36021744

約数和(自身を除く): 16464914

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 45481, 90962, 227405, 454810, 1955683, 3911366, 9778415, 19556830]

約数ペア:

[(1, 19556830), (2, 9778415), (5, 3911366), (10, 1955683), (43, 454810), (86, 227405), (215, 90962), (430, 45481)]