18785587180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2402249}}^1$

素因数の和:2402298

約数の個数: 48

約数和(自身を含む): 43586424000

約数和(自身を除く): 24800836820

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 2402249, 4804498, 9608996, 12011245, 24022490, 40838233, 48044980, 55251727, 81676466, 110503454, 163352932, 204191165, 221006908, 276258635, 408382330, 552517270, 816764660, 939279359, 1105034540, 1878558718, 3757117436, 4696396795, 9392793590, 18785587180]

約数ペア:

[(1, 18785587180), (2, 9392793590), (4, 4696396795), (5, 3757117436), (10, 1878558718), (17, 1105034540), (20, 939279359), (23, 816764660), (34, 552517270), (46, 408382330), (68, 276258635), (85, 221006908), (92, 204191165), (115, 163352932), (170, 110503454), (230, 81676466), (340, 55251727), (391, 48044980), (460, 40838233), (782, 24022490), (1564, 12011245), (1955, 9608996), (3910, 4804498), (7820, 2402249)]