19893884

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1151}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 36288000

約数和(自身を除く): 16394116

約数列:

[1, 2, 4, 29, 58, 116, 149, 298, 596, 1151, 2302, 4321, 4604, 8642, 17284, 33379, 66758, 133516, 171499, 342998, 685996, 4973471, 9946942, 19893884]

約数ペア:

[(1, 19893884), (2, 9946942), (4, 4973471), (29, 685996), (58, 342998), (116, 171499), (149, 133516), (298, 66758), (596, 33379), (1151, 17284), (2302, 8642), (4321, 4604)]