18970245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{60223}}^1$

素因数の和:60241

約数の個数: 24

約数和(自身を含む): 37579776

約数和(自身を除く): 18609531

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 60223, 180669, 301115, 421561, 542007, 903345, 1264683, 2107805, 2710035, 3794049, 6323415, 18970245]

約数ペア:

[(1, 18970245), (3, 6323415), (5, 3794049), (7, 2710035), (9, 2107805), (15, 1264683), (21, 903345), (35, 542007), (45, 421561), (63, 301115), (105, 180669), (315, 60223)]