18136431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1583}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 28005120

約数和(自身を除く): 9868689

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 1583, 3819, 4749, 11457, 14247, 30077, 90231, 106061, 270693, 318183, 954549, 2015159, 6045477, 18136431]

約数ペア:

[(1, 18136431), (3, 6045477), (9, 2015159), (19, 954549), (57, 318183), (67, 270693), (171, 106061), (201, 90231), (603, 30077), (1273, 14247), (1583, 11457), (3819, 4749)]