18509116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1019}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 34272000

約数和(自身を除く): 15762884

約数列:

[1, 2, 4, 19, 38, 76, 239, 478, 956, 1019, 2038, 4076, 4541, 9082, 18164, 19361, 38722, 77444, 243541, 487082, 974164, 4627279, 9254558, 18509116]

約数ペア:

[(1, 18509116), (2, 9254558), (4, 4627279), (19, 974164), (38, 487082), (76, 243541), (239, 77444), (478, 38722), (956, 19361), (1019, 18164), (2038, 9082), (4076, 4541)]