18907499

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 20977824

約数和(自身を除く): 2070325

約数列:

[1, 13, 61, 113, 211, 793, 1469, 2743, 6893, 12871, 23843, 89609, 167323, 309959, 1454423, 18907499]

約数ペア:

[(1, 18907499), (13, 1454423), (61, 309959), (113, 167323), (211, 89609), (793, 23843), (1469, 12871), (2743, 6893)]