19994978

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{3347}}^1$

素因数の和:3481

約数の個数: 16

約数和(自身を含む): 31337280

約数和(自身を除く): 11342302

約数列:

[1, 2, 29, 58, 103, 206, 2987, 3347, 5974, 6694, 97063, 194126, 344741, 689482, 9997489, 19994978]

約数ペア:

[(1, 19994978), (2, 9997489), (29, 689482), (58, 344741), (103, 194126), (206, 97063), (2987, 6694), (3347, 5974)]