19888740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12277}}^1$

素因数の和:12298

約数の個数: 60

約数和(自身を含む): 62396796

約数和(自身を除く): 42508056

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12277, 24554, 36831, 49108, 61385, 73662, 110493, 122770, 147324, 184155, 220986, 245540, 331479, 368310, 441972, 552465, 662958, 736620, 994437, 1104930, 1325916, 1657395, 1988874, 2209860, 3314790, 3977748, 4972185, 6629580, 9944370, 19888740]

約数ペア:

[(1, 19888740), (2, 9944370), (3, 6629580), (4, 4972185), (5, 3977748), (6, 3314790), (9, 2209860), (10, 1988874), (12, 1657395), (15, 1325916), (18, 1104930), (20, 994437), (27, 736620), (30, 662958), (36, 552465), (45, 441972), (54, 368310), (60, 331479), (81, 245540), (90, 220986), (108, 184155), (135, 147324), (162, 122770), (180, 110493), (270, 73662), (324, 61385), (405, 49108), (540, 36831), (810, 24554), (1620, 12277)]