19821142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47419}}^1$

素因数の和:47451

約数の個数: 16

約数和(自身を含む): 34142400

約数和(自身を除く): 14321258

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47419, 94838, 521609, 900961, 1043218, 1801922, 9910571, 19821142]

約数ペア:

[(1, 19821142), (2, 9910571), (11, 1801922), (19, 1043218), (22, 900961), (38, 521609), (209, 94838), (418, 47419)]