19005276620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{247529}}^1$

素因数の和:247898

約数の個数: 48

約数和(自身を含む): 43664292000

約数和(自身を除く): 24659015380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 698, 1396, 1745, 3490, 3839, 6980, 7678, 15356, 19195, 38390, 76780, 247529, 495058, 990116, 1237645, 2475290, 2722819, 4950580, 5445638, 10891276, 13614095, 27228190, 54456380, 86387621, 172775242, 345550484, 431938105, 863876210, 950263831, 1727752420, 1900527662, 3801055324, 4751319155, 9502638310, 19005276620]

約数ペア:

[(1, 19005276620), (2, 9502638310), (4, 4751319155), (5, 3801055324), (10, 1900527662), (11, 1727752420), (20, 950263831), (22, 863876210), (44, 431938105), (55, 345550484), (110, 172775242), (220, 86387621), (349, 54456380), (698, 27228190), (1396, 13614095), (1745, 10891276), (3490, 5445638), (3839, 4950580), (6980, 2722819), (7678, 2475290), (15356, 1237645), (19195, 990116), (38390, 495058), (76780, 247529)]