1817980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5347}}^1$

素因数の和:5373

約数の個数: 24

約数和(自身を含む): 4043088

約数和(自身を除く): 2225108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5347, 10694, 21388, 26735, 53470, 90899, 106940, 181798, 363596, 454495, 908990, 1817980]

約数ペア:

[(1, 1817980), (2, 908990), (4, 454495), (5, 363596), (10, 181798), (17, 106940), (20, 90899), (34, 53470), (68, 26735), (85, 21388), (170, 10694), (340, 5347)]