19729547

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 21245952

約数和(自身を除く): 1516405

約数列:

[1, 31, 37, 103, 167, 1147, 3193, 3811, 5177, 6179, 17201, 118141, 191549, 533231, 636437, 19729547]

約数ペア:

[(1, 19729547), (31, 636437), (37, 533231), (103, 191549), (167, 118141), (1147, 17201), (3193, 6179), (3811, 5177)]