19993118

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2917}}^1$

素因数の和:3091

約数の個数: 16

約数和(自身を含む): 31514400

約数和(自身を除く): 11521282

約数列:

[1, 2, 23, 46, 149, 298, 2917, 3427, 5834, 6854, 67091, 134182, 434633, 869266, 9996559, 19993118]

約数ペア:

[(1, 19993118), (2, 9996559), (23, 869266), (46, 434633), (149, 134182), (298, 67091), (2917, 6854), (3427, 5834)]