18974389240

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4696631}}^1$

素因数の和:4696743

約数の個数: 32

約数和(自身を含む): 43115081760

約数和(自身を除く): 24140692520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4696631, 9393262, 18786524, 23483155, 37573048, 46966310, 93932620, 187865240, 474359731, 948719462, 1897438924, 2371798655, 3794877848, 4743597310, 9487194620, 18974389240]

約数ペア:

[(1, 18974389240), (2, 9487194620), (4, 4743597310), (5, 3794877848), (8, 2371798655), (10, 1897438924), (20, 948719462), (40, 474359731), (101, 187865240), (202, 93932620), (404, 46966310), (505, 37573048), (808, 23483155), (1010, 18786524), (2020, 9393262), (4040, 4696631)]