2181238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1023

約数の個数: 16

約数和(自身を含む): 3504240

約数和(自身を除く): 1323002

約数列:

[1, 2, 19, 38, 61, 122, 941, 1159, 1882, 2318, 17879, 35758, 57401, 114802, 1090619, 2181238]

約数ペア:

[(1, 2181238), (2, 1090619), (19, 114802), (38, 57401), (61, 35758), (122, 17879), (941, 2318), (1159, 1882)]