18774315

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19867}}^1$

素因数の和:19888

約数の個数: 32

約数和(自身を含む): 38146560

約数和(自身を除く): 19372245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 19867, 59601, 99335, 139069, 178803, 298005, 417207, 536409, 695345, 894015, 1251621, 2086035, 2682045, 3754863, 6258105, 18774315]

約数ペア:

[(1, 18774315), (3, 6258105), (5, 3754863), (7, 2682045), (9, 2086035), (15, 1251621), (21, 894015), (27, 695345), (35, 536409), (45, 417207), (63, 298005), (105, 178803), (135, 139069), (189, 99335), (315, 59601), (945, 19867)]