18903160

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4679}}^1$

素因数の和:4791

約数の個数: 32

約数和(自身を含む): 42962400

約数和(自身を除く): 24059240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4679, 9358, 18716, 23395, 37432, 46790, 93580, 187160, 472579, 945158, 1890316, 2362895, 3780632, 4725790, 9451580, 18903160]

約数ペア:

[(1, 18903160), (2, 9451580), (4, 4725790), (5, 3780632), (8, 2362895), (10, 1890316), (20, 945158), (40, 472579), (101, 187160), (202, 93580), (404, 46790), (505, 37432), (808, 23395), (1010, 18716), (2020, 9358), (4040, 4679)]