19776484

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54331}}^1$

素因数の和:54355

約数の個数: 24

約数和(自身を含む): 42596288

約数和(自身を除く): 22819804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54331, 108662, 217324, 380317, 706303, 760634, 1412606, 1521268, 2825212, 4944121, 9888242, 19776484]

約数ペア:

[(1, 19776484), (2, 9888242), (4, 4944121), (7, 2825212), (13, 1521268), (14, 1412606), (26, 760634), (28, 706303), (52, 380317), (91, 217324), (182, 108662), (364, 54331)]