19499988

素因数分解:

$2^2\times 3^1\times {\mathrm{521}}^1\times {\mathrm{3119}}^1$

素因数の和:3647

約数の個数: 24

約数和(自身を含む): 45601920

約数和(自身を除く): 26101932

約数列:

[1, 2, 3, 4, 6, 12, 521, 1042, 1563, 2084, 3119, 3126, 6238, 6252, 9357, 12476, 18714, 37428, 1624999, 3249998, 4874997, 6499996, 9749994, 19499988]

約数ペア:

[(1, 19499988), (2, 9749994), (3, 6499996), (4, 4874997), (6, 3249998), (12, 1624999), (521, 37428), (1042, 18714), (1563, 12476), (2084, 9357), (3119, 6252), (3126, 6238)]