19198396

素因数分解:

$2^2\times 7^4\times {\mathrm{1999}}^1$

素因数の和:2031

約数の個数: 30

約数和(自身を含む): 39214000

約数和(自身を除く): 20015604

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 1999, 2401, 3998, 4802, 7996, 9604, 13993, 27986, 55972, 97951, 195902, 391804, 685657, 1371314, 2742628, 4799599, 9599198, 19198396]

約数ペア:

[(1, 19198396), (2, 9599198), (4, 4799599), (7, 2742628), (14, 1371314), (28, 685657), (49, 391804), (98, 195902), (196, 97951), (343, 55972), (686, 27986), (1372, 13993), (1999, 9604), (2401, 7996), (3998, 4802)]