11987554

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{619}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 18838080

約数和(自身を除く): 6850526

約数列:

[1, 2, 23, 46, 421, 619, 842, 1238, 9683, 14237, 19366, 28474, 260599, 521198, 5993777, 11987554]

約数ペア:

[(1, 11987554), (2, 5993777), (23, 521198), (46, 260599), (421, 28474), (619, 19366), (842, 14237), (1238, 9683)]