19879239215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{862627}}^1$

素因数の和:863062

約数の個数: 16

約数和(自身を含む): 26085870720

約数和(自身を除く): 6206631505

約数列:

[1, 5, 11, 55, 419, 2095, 4609, 23045, 862627, 4313135, 9488897, 47444485, 361440713, 1807203565, 3975847843, 19879239215]

約数ペア:

[(1, 19879239215), (5, 3975847843), (11, 1807203565), (55, 361440713), (419, 47444485), (2095, 9488897), (4609, 4313135), (23045, 862627)]