12254278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{829}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 19422000

約数和(自身を除く): 7167722

約数列:

[1, 2, 19, 38, 389, 778, 829, 1658, 7391, 14782, 15751, 31502, 322481, 644962, 6127139, 12254278]

約数ペア:

[(1, 12254278), (2, 6127139), (19, 644962), (38, 322481), (389, 31502), (778, 15751), (829, 14782), (1658, 7391)]