19469968

素因数分解:

$2^4\times 7^1\times {\mathrm{173839}}^1$

素因数の和:173854

約数の個数: 20

約数和(自身を含む): 43112320

約数和(自身を除く): 23642352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173839, 347678, 695356, 1216873, 1390712, 2433746, 2781424, 4867492, 9734984, 19469968]

約数ペア:

[(1, 19469968), (2, 9734984), (4, 4867492), (7, 2781424), (8, 2433746), (14, 1390712), (16, 1216873), (28, 695356), (56, 347678), (112, 173839)]