15981968

素因数分解:

$2^4\times {\mathrm{631}}^1\times {\mathrm{1583}}^1$

素因数の和:2222

約数の個数: 20

約数和(自身を含む): 31033728

約数和(自身を除く): 15051760

約数列:

[1, 2, 4, 8, 16, 631, 1262, 1583, 2524, 3166, 5048, 6332, 10096, 12664, 25328, 998873, 1997746, 3995492, 7990984, 15981968]

約数ペア:

[(1, 15981968), (2, 7990984), (4, 3995492), (8, 1997746), (16, 998873), (631, 25328), (1262, 12664), (1583, 10096), (2524, 6332), (3166, 5048)]