19881322

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{523}}^1$

素因数の和:837

約数の個数: 16

約数和(自身を含む): 30371040

約数和(自身を除く): 10489718

約数列:

[1, 2, 83, 166, 229, 458, 523, 1046, 19007, 38014, 43409, 86818, 119767, 239534, 9940661, 19881322]

約数ペア:

[(1, 19881322), (2, 9940661), (83, 239534), (166, 119767), (229, 86818), (458, 43409), (523, 38014), (1046, 19007)]