19926565

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 24641280

約数和(自身を除く): 4714715

約数列:

[1, 5, 61, 79, 305, 395, 827, 4135, 4819, 24095, 50447, 65333, 252235, 326665, 3985313, 19926565]

約数ペア:

[(1, 19926565), (5, 3985313), (61, 326665), (79, 252235), (305, 65333), (395, 50447), (827, 24095), (4135, 4819)]