12988438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2459}}^1$

素因数の和:2619

約数の個数: 16

約数和(自身を含む): 20664000

約数和(自身を除く): 7675562

約数列:

[1, 2, 19, 38, 139, 278, 2459, 2641, 4918, 5282, 46721, 93442, 341801, 683602, 6494219, 12988438]

約数ペア:

[(1, 12988438), (2, 6494219), (19, 683602), (38, 341801), (139, 93442), (278, 46721), (2459, 5282), (2641, 4918)]