18926427

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3257}}^1$

素因数の和:3422

約数の個数: 16

約数和(自身を含む): 27367200

約数和(自身を除く): 8440773

約数列:

[1, 3, 13, 39, 149, 447, 1937, 3257, 5811, 9771, 42341, 127023, 485293, 1455879, 6308809, 18926427]

約数ペア:

[(1, 18926427), (3, 6308809), (13, 1455879), (39, 485293), (149, 127023), (447, 42341), (1937, 9771), (3257, 5811)]