19349289

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 28828800

約数和(自身を除く): 9479511

約数列:

[1, 3, 9, 47, 141, 149, 307, 423, 447, 921, 1341, 2763, 7003, 14429, 21009, 43287, 45743, 63027, 129861, 137229, 411687, 2149921, 6449763, 19349289]

約数ペア:

[(1, 19349289), (3, 6449763), (9, 2149921), (47, 411687), (141, 137229), (149, 129861), (307, 63027), (423, 45743), (447, 43287), (921, 21009), (1341, 14429), (2763, 7003)]