2019420214975

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{907604591}}^1$

素因数の和:907604690

約数の個数: 12

約数和(自身を含む): 2532216811680

約数和(自身を除く): 512796596705

約数列:

[1, 5, 25, 89, 445, 2225, 907604591, 4538022955, 22690114775, 80776808599, 403884042995, 2019420214975]

約数ペア:

[(1, 2019420214975), (5, 403884042995), (25, 80776808599), (89, 22690114775), (445, 4538022955), (2225, 907604591)]