19819679

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 23652720

約数和(自身を除く): 3833041

約数列:

[1, 11, 19, 37, 121, 209, 233, 407, 703, 2299, 2563, 4427, 4477, 7733, 8621, 28193, 48697, 85063, 94831, 163799, 535667, 1043141, 1801789, 19819679]

約数ペア:

[(1, 19819679), (11, 1801789), (19, 1043141), (37, 535667), (121, 163799), (209, 94831), (233, 85063), (407, 48697), (703, 28193), (2299, 8621), (2563, 7733), (4427, 4477)]