18916440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157637}}^1$

素因数の和:157651

約数の個数: 32

約数和(自身を含む): 56749680

約数和(自身を除く): 37833240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157637, 315274, 472911, 630548, 788185, 945822, 1261096, 1576370, 1891644, 2364555, 3152740, 3783288, 4729110, 6305480, 9458220, 18916440]

約数ペア:

[(1, 18916440), (2, 9458220), (3, 6305480), (4, 4729110), (5, 3783288), (6, 3152740), (8, 2364555), (10, 1891644), (12, 1576370), (15, 1261096), (20, 945822), (24, 788185), (30, 630548), (40, 472911), (60, 315274), (120, 157637)]