19744020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{36563}}^1$

素因数の和:36581

約数の個数: 48

約数和(自身を含む): 61427520

約数和(自身を除く): 41683500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 36563, 73126, 109689, 146252, 182815, 219378, 329067, 365630, 438756, 548445, 658134, 731260, 987201, 1096890, 1316268, 1645335, 1974402, 2193780, 3290670, 3948804, 4936005, 6581340, 9872010, 19744020]

約数ペア:

[(1, 19744020), (2, 9872010), (3, 6581340), (4, 4936005), (5, 3948804), (6, 3290670), (9, 2193780), (10, 1974402), (12, 1645335), (15, 1316268), (18, 1096890), (20, 987201), (27, 731260), (30, 658134), (36, 548445), (45, 438756), (54, 365630), (60, 329067), (90, 219378), (108, 182815), (135, 146252), (180, 109689), (270, 73126), (540, 36563)]