18468215

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1901}}^1$

素因数の和:2002

約数の個数: 16

約数和(自身を含む): 23280480

約数和(自身を除く): 4812265

約数列:

[1, 5, 29, 67, 145, 335, 1901, 1943, 9505, 9715, 55129, 127367, 275645, 636835, 3693643, 18468215]

約数ペア:

[(1, 18468215), (5, 3693643), (29, 636835), (67, 275645), (145, 127367), (335, 55129), (1901, 9715), (1943, 9505)]