19730987

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 21884160

約数和(自身を除く): 2153173

約数列:

[1, 19, 23, 163, 277, 437, 3097, 3749, 5263, 6371, 45151, 71231, 121049, 857869, 1038473, 19730987]

約数ペア:

[(1, 19730987), (19, 1038473), (23, 857869), (163, 121049), (277, 71231), (437, 45151), (3097, 6371), (3749, 5263)]