19384778

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12703}}^1$

素因数の和:12821

約数の個数: 16

約数和(自身を含む): 33538560

約数和(自身を除く): 14153782

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 12703, 25406, 88921, 177842, 1384627, 2769254, 9692389, 19384778]

約数ペア:

[(1, 19384778), (2, 9692389), (7, 2769254), (14, 1384627), (109, 177842), (218, 88921), (763, 25406), (1526, 12703)]