18821491923

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2789609}}^1$

素因数の和:2789798

約数の個数: 16

約数和(自身を含む): 27181959840

約数和(自身を除く): 8360467917

約数列:

[1, 3, 13, 39, 173, 519, 2249, 6747, 2789609, 8368827, 36264917, 108794751, 482602357, 1447807071, 6273830641, 18821491923]

約数ペア:

[(1, 18821491923), (3, 6273830641), (13, 1447807071), (39, 482602357), (173, 108794751), (519, 36264917), (2249, 8368827), (6747, 2789609)]