19821758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15271}}^1$

素因数の和:15343

約数の個数: 16

約数和(自身を含む): 32987520

約数和(自身を除く): 13165762

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 15271, 30542, 167981, 335962, 900989, 1801978, 9910879, 19821758]

約数ペア:

[(1, 19821758), (2, 9910879), (11, 1801978), (22, 900989), (59, 335962), (118, 167981), (649, 30542), (1298, 15271)]