19771492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{727}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 37384256

約数和(自身を除く): 17612764

約数列:

[1, 2, 4, 13, 26, 52, 523, 727, 1046, 1454, 2092, 2908, 6799, 9451, 13598, 18902, 27196, 37804, 380221, 760442, 1520884, 4942873, 9885746, 19771492]

約数ペア:

[(1, 19771492), (2, 9885746), (4, 4942873), (13, 1520884), (26, 760442), (52, 380221), (523, 37804), (727, 27196), (1046, 18902), (1454, 13598), (2092, 9451), (2908, 6799)]