19750951

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 23288832

約数和(自身を除く): 3537881

約数列:

[1, 11, 23, 47, 121, 151, 253, 517, 1081, 1661, 2783, 3473, 5687, 7097, 11891, 18271, 38203, 78067, 130801, 163231, 420233, 858737, 1795541, 19750951]

約数ペア:

[(1, 19750951), (11, 1795541), (23, 858737), (47, 420233), (121, 163231), (151, 130801), (253, 78067), (517, 38203), (1081, 18271), (1661, 11891), (2783, 7097), (3473, 5687)]