18883910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5231}}^1$

素因数の和:5276

約数の個数: 24

約数和(自身を含む): 35881056

約数和(自身を除く): 16997146

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5231, 10462, 26155, 52310, 99389, 198778, 496945, 993890, 1888391, 3776782, 9441955, 18883910]

約数ペア:

[(1, 18883910), (2, 9441955), (5, 3776782), (10, 1888391), (19, 993890), (38, 496945), (95, 198778), (190, 99389), (361, 52310), (722, 26155), (1805, 10462), (3610, 5231)]