19805806

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{773}}^1$

素因数の和:1355

約数の個数: 16

約数和(自身を含む): 31096224

約数和(自身を除く): 11290418

約数列:

[1, 2, 23, 46, 557, 773, 1114, 1546, 12811, 17779, 25622, 35558, 430561, 861122, 9902903, 19805806]

約数ペア:

[(1, 19805806), (2, 9902903), (23, 861122), (46, 430561), (557, 35558), (773, 25622), (1114, 17779), (1546, 12811)]