19647396

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1361}}^1$

素因数の和:1772

約数の個数: 36

約数和(自身を含む): 49824684

約数和(自身を除く): 30177288

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1361, 1604, 2406, 2722, 3609, 4083, 4812, 5444, 7218, 8166, 12249, 14436, 16332, 24498, 48996, 545761, 1091522, 1637283, 2183044, 3274566, 4911849, 6549132, 9823698, 19647396]

約数ペア:

[(1, 19647396), (2, 9823698), (3, 6549132), (4, 4911849), (6, 3274566), (9, 2183044), (12, 1637283), (18, 1091522), (36, 545761), (401, 48996), (802, 24498), (1203, 16332), (1361, 14436), (1604, 12249), (2406, 8166), (2722, 7218), (3609, 5444), (4083, 4812)]