18817872119

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1\times {\mathrm{9547}}^1$

素因数の和:11606

約数の個数: 16

約数和(自身を含む): 20104879872

約数和(自身を除く): 1287007753

約数列:

[1, 23, 43, 989, 1993, 9547, 45839, 85699, 219581, 410521, 1971077, 9441983, 19027171, 437624933, 818168353, 18817872119]

約数ペア:

[(1, 18817872119), (23, 818168353), (43, 437624933), (989, 19027171), (1993, 9441983), (9547, 1971077), (45839, 410521), (85699, 219581)]