19888791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4513}}^1$

素因数の和:4642

約数の個数: 16

約数和(自身を含む): 28817376

約数和(自身を除く): 8928585

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4407, 4513, 13539, 58669, 176007, 509969, 1529907, 6629597, 19888791]

約数ペア:

[(1, 19888791), (3, 6629597), (13, 1529907), (39, 509969), (113, 176007), (339, 58669), (1469, 13539), (4407, 4513)]