19721736

素因数分解:

$2^3\times 3^2\times {\mathrm{273913}}^1$

素因数の和:273925

約数の個数: 24

約数和(自身を含む): 53413230

約数和(自身を除く): 33691494

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 273913, 547826, 821739, 1095652, 1643478, 2191304, 2465217, 3286956, 4930434, 6573912, 9860868, 19721736]

約数ペア:

[(1, 19721736), (2, 9860868), (3, 6573912), (4, 4930434), (6, 3286956), (8, 2465217), (9, 2191304), (12, 1643478), (18, 1095652), (24, 821739), (36, 547826), (72, 273913)]