19881646

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{919}}^1$

素因数の和:1323

約数の個数: 16

約数和(自身を含む): 30967200

約数和(自身を除く): 11085554

約数列:

[1, 2, 29, 58, 373, 746, 919, 1838, 10817, 21634, 26651, 53302, 342787, 685574, 9940823, 19881646]

約数ペア:

[(1, 19881646), (2, 9940823), (29, 685574), (58, 342787), (373, 53302), (746, 26651), (919, 21634), (1838, 10817)]