19430984

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{17729}}^1$

素因数の和:17872

約数の個数: 16

約数和(自身を含む): 36701100

約数和(自身を除く): 17270116

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 17729, 35458, 70916, 141832, 2428873, 4857746, 9715492, 19430984]

約数ペア:

[(1, 19430984), (2, 9715492), (4, 4857746), (8, 2428873), (137, 141832), (274, 70916), (548, 35458), (1096, 17729)]