19904230

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{23981}}^1$

素因数の和:24071

約数の個数: 16

約数和(自身を含む): 36260784

約数和(自身を除く): 16356554

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 23981, 47962, 119905, 239810, 1990423, 3980846, 9952115, 19904230]

約数ペア:

[(1, 19904230), (2, 9952115), (5, 3980846), (10, 1990423), (83, 239810), (166, 119905), (415, 47962), (830, 23981)]