19268140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56671}}^1$

素因数の和:56697

約数の個数: 24

約数和(自身を含む): 42844032

約数和(自身を除く): 23575892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56671, 113342, 226684, 283355, 566710, 963407, 1133420, 1926814, 3853628, 4817035, 9634070, 19268140]

約数ペア:

[(1, 19268140), (2, 9634070), (4, 4817035), (5, 3853628), (10, 1926814), (17, 1133420), (20, 963407), (34, 566710), (68, 283355), (85, 226684), (170, 113342), (340, 56671)]