19318911080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2225681}}^1$

素因数の和:2225730

約数の個数: 64

約数和(自身を含む): 51279713280

約数和(自身を除く): 31960802200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 2225681, 4451362, 8902724, 11128405, 15579767, 17805448, 22256810, 31159534, 44513620, 62319068, 68996111, 77898835, 89027240, 124638136, 137992222, 155797670, 275984444, 311595340, 344980555, 482972777, 551968888, 623190680, 689961110, 965945554, 1379922220, 1931891108, 2414863885, 2759844440, 3863782216, 4829727770, 9659455540, 19318911080]

約数ペア:

[(1, 19318911080), (2, 9659455540), (4, 4829727770), (5, 3863782216), (7, 2759844440), (8, 2414863885), (10, 1931891108), (14, 1379922220), (20, 965945554), (28, 689961110), (31, 623190680), (35, 551968888), (40, 482972777), (56, 344980555), (62, 311595340), (70, 275984444), (124, 155797670), (140, 137992222), (155, 124638136), (217, 89027240), (248, 77898835), (280, 68996111), (310, 62319068), (434, 44513620), (620, 31159534), (868, 22256810), (1085, 17805448), (1240, 15579767), (1736, 11128405), (2170, 8902724), (4340, 4451362), (8680, 2225681)]