19902238

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{1061}}^1$

素因数の和:1259

約数の個数: 16

約数和(自身を含む): 30509136

約数和(自身を除く): 10606898

約数列:

[1, 2, 83, 113, 166, 226, 1061, 2122, 9379, 18758, 88063, 119893, 176126, 239786, 9951119, 19902238]

約数ペア:

[(1, 19902238), (2, 9951119), (83, 239786), (113, 176126), (166, 119893), (226, 88063), (1061, 18758), (2122, 9379)]