19974635546

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{457651}}^1$

素因数の和:457949

約数の個数: 16

約数和(自身を含む): 30369786720

約数和(自身を除く): 10395151174

約数列:

[1, 2, 139, 157, 278, 314, 21823, 43646, 457651, 915302, 63613489, 71851207, 127226978, 143702414, 9987317773, 19974635546]

約数ペア:

[(1, 19974635546), (2, 9987317773), (139, 143702414), (157, 127226978), (278, 71851207), (314, 63613489), (21823, 915302), (43646, 457651)]