19118878

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{769}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 29715840

約数和(自身を除く): 10596962

約数列:

[1, 2, 31, 62, 401, 769, 802, 1538, 12431, 23839, 24862, 47678, 308369, 616738, 9559439, 19118878]

約数ペア:

[(1, 19118878), (2, 9559439), (31, 616738), (62, 308369), (401, 47678), (769, 24862), (802, 23839), (1538, 12431)]