19421531

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 21461760

約数和(自身を除く): 2040229

約数列:

[1, 17, 31, 137, 269, 527, 2329, 4247, 4573, 8339, 36853, 72199, 141763, 626501, 1142443, 19421531]

約数ペア:

[(1, 19421531), (17, 1142443), (31, 626501), (137, 141763), (269, 72199), (527, 36853), (2329, 8339), (4247, 4573)]