2011111990

素因数分解:

$2^1\times 5^1\times {\mathrm{5297}}^1\times {\mathrm{37967}}^1$

素因数の和:43271

約数の個数: 16

約数和(自身を含む): 3620780352

約数和(自身を除く): 1609668362

約数列:

[1, 2, 5, 10, 5297, 10594, 26485, 37967, 52970, 75934, 189835, 379670, 201111199, 402222398, 1005555995, 2011111990]

約数ペア:

[(1, 2011111990), (2, 1005555995), (5, 402222398), (10, 201111199), (5297, 379670), (10594, 189835), (26485, 75934), (37967, 52970)]