19914783

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3089}}^1$

素因数の和:3406

約数の個数: 16

約数和(自身を含む): 30455040

約数和(自身を除く): 10540257

約数列:

[1, 3, 7, 21, 307, 921, 2149, 3089, 6447, 9267, 21623, 64869, 948323, 2844969, 6638261, 19914783]

約数ペア:

[(1, 19914783), (3, 6638261), (7, 2844969), (21, 948323), (307, 64869), (921, 21623), (2149, 9267), (3089, 6447)]