19965133060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23215271}}^1$

素因数の和:23215323

約数の個数: 24

約数和(自身を含む): 42901822656

約数和(自身を除く): 22936689596

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23215271, 46430542, 92861084, 116076355, 232152710, 464305420, 998256653, 1996513306, 3993026612, 4991283265, 9982566530, 19965133060]

約数ペア:

[(1, 19965133060), (2, 9982566530), (4, 4991283265), (5, 3993026612), (10, 1996513306), (20, 998256653), (43, 464305420), (86, 232152710), (172, 116076355), (215, 92861084), (430, 46430542), (860, 23215271)]