19492855

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 24105600

約数和(自身を除く): 4612745

約数列:

[1, 5, 61, 79, 305, 395, 809, 4045, 4819, 24095, 49349, 63911, 246745, 319555, 3898571, 19492855]

約数ペア:

[(1, 19492855), (5, 3898571), (61, 319555), (79, 246745), (305, 63911), (395, 49349), (809, 24095), (4045, 4819)]