19329079

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 25344000

約数和(自身を除く): 6014921

約数列:

[1, 7, 11, 47, 49, 77, 109, 329, 343, 517, 539, 763, 1199, 2303, 3619, 3773, 5123, 5341, 8393, 16121, 25333, 35861, 37387, 56353, 58751, 177331, 251027, 394471, 411257, 1757189, 2761297, 19329079]

約数ペア:

[(1, 19329079), (7, 2761297), (11, 1757189), (47, 411257), (49, 394471), (77, 251027), (109, 177331), (329, 58751), (343, 56353), (517, 37387), (539, 35861), (763, 25333), (1199, 16121), (2303, 8393), (3619, 5341), (3773, 5123)]