18748982

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{10223}}^1$

素因数の和:10363

約数の個数: 16

約数和(自身を含む): 32389632

約数和(自身を除く): 13640650

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 10223, 20446, 71561, 143122, 1339213, 2678426, 9374491, 18748982]

約数ペア:

[(1, 18748982), (2, 9374491), (7, 2678426), (14, 1339213), (131, 143122), (262, 71561), (917, 20446), (1834, 10223)]