19712329

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 25707840

約数和(自身を除く): 5995511

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 877, 1183, 1729, 3211, 6139, 11401, 16663, 22477, 79807, 116641, 148213, 216619, 1037491, 1516333, 2816047, 19712329]

約数ペア:

[(1, 19712329), (7, 2816047), (13, 1516333), (19, 1037491), (91, 216619), (133, 148213), (169, 116641), (247, 79807), (877, 22477), (1183, 16663), (1729, 11401), (3211, 6139)]