19388556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{4451}}^1$

素因数の和:4483

約数の個数: 54

約数和(自身を含む): 53882556

約数和(自身を除く): 34494000

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 4451, 8902, 13353, 17804, 26706, 40059, 48961, 53412, 80118, 97922, 146883, 160236, 195844, 293766, 440649, 538571, 587532, 881298, 1077142, 1615713, 1762596, 2154284, 3231426, 4847139, 6462852, 9694278, 19388556]

約数ペア:

[(1, 19388556), (2, 9694278), (3, 6462852), (4, 4847139), (6, 3231426), (9, 2154284), (11, 1762596), (12, 1615713), (18, 1077142), (22, 881298), (33, 587532), (36, 538571), (44, 440649), (66, 293766), (99, 195844), (121, 160236), (132, 146883), (198, 97922), (242, 80118), (363, 53412), (396, 48961), (484, 40059), (726, 26706), (1089, 17804), (1452, 13353), (2178, 8902), (4356, 4451)]