19740397

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 1548563

約数列:

[1, 31, 43, 59, 251, 1333, 1829, 2537, 7781, 10793, 14809, 78647, 334583, 459079, 636787, 19740397]

約数ペア:

[(1, 19740397), (31, 636787), (43, 459079), (59, 334583), (251, 78647), (1333, 14809), (1829, 10793), (2537, 7781)]