18985662

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 43748640

約数和(自身を除く): 24762978

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 983, 1073, 1966, 2146, 2949, 3219, 5898, 6438, 8847, 9657, 17694, 19314, 28507, 36371, 57014, 72742, 85521, 109113, 171042, 218226, 256563, 327339, 513126, 654678, 1054759, 2109518, 3164277, 6328554, 9492831, 18985662]

約数ペア:

[(1, 18985662), (2, 9492831), (3, 6328554), (6, 3164277), (9, 2109518), (18, 1054759), (29, 654678), (37, 513126), (58, 327339), (74, 256563), (87, 218226), (111, 171042), (174, 109113), (222, 85521), (261, 72742), (333, 57014), (522, 36371), (666, 28507), (983, 19314), (1073, 17694), (1966, 9657), (2146, 8847), (2949, 6438), (3219, 5898)]