18421815

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{42349}}^1$

素因数の和:42386

約数の個数: 16

約数和(自身を含む): 30492000

約数和(自身を除く): 12070185

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 42349, 127047, 211745, 635235, 1228121, 3684363, 6140605, 18421815]

約数ペア:

[(1, 18421815), (3, 6140605), (5, 3684363), (15, 1228121), (29, 635235), (87, 211745), (145, 127047), (435, 42349)]