19888081274

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7974371}}^1$

素因数の和:7974445

約数の個数: 16

約数和(自身を含む): 31578513120

約数和(自身を除く): 11690431846

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 7974371, 15948742, 231256759, 342897953, 462513518, 685795906, 9944040637, 19888081274]

約数ペア:

[(1, 19888081274), (2, 9944040637), (29, 685795906), (43, 462513518), (58, 342897953), (86, 231256759), (1247, 15948742), (2494, 7974371)]