19821035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4999}}^1$

素因数の和:5078

約数の個数: 16

約数和(自身を含む): 26040000

約数和(自身を除く): 6218965

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 4999, 24995, 64987, 304939, 324935, 1524695, 3964207, 19821035]

約数ペア:

[(1, 19821035), (5, 3964207), (13, 1524695), (61, 324935), (65, 304939), (305, 64987), (793, 24995), (3965, 4999)]