19802398

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{863}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 17522402

約数列:

[1, 2, 7, 11, 14, 22, 77, 149, 154, 298, 863, 1043, 1639, 1726, 2086, 3278, 6041, 9493, 11473, 12082, 18986, 22946, 66451, 128587, 132902, 257174, 900109, 1414457, 1800218, 2828914, 9901199, 19802398]

約数ペア:

[(1, 19802398), (2, 9901199), (7, 2828914), (11, 1800218), (14, 1414457), (22, 900109), (77, 257174), (149, 132902), (154, 128587), (298, 66451), (863, 22946), (1043, 18986), (1639, 12082), (1726, 11473), (2086, 9493), (3278, 6041)]