19786874

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{877}}^1$

素因数の和:1297

約数の個数: 16

約数和(自身を含む): 30817800

約数和(自身を除く): 11030926

約数列:

[1, 2, 29, 58, 389, 778, 877, 1754, 11281, 22562, 25433, 50866, 341153, 682306, 9893437, 19786874]

約数ペア:

[(1, 19786874), (2, 9893437), (29, 682306), (58, 341153), (389, 50866), (778, 25433), (877, 22562), (1754, 11281)]