19501801

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 21888000

約数和(自身を除く): 2386199

約数列:

[1, 11, 59, 151, 199, 649, 1661, 2189, 8909, 11741, 30049, 97999, 129151, 330539, 1772891, 19501801]

約数ペア:

[(1, 19501801), (11, 1772891), (59, 330539), (151, 129151), (199, 97999), (649, 30049), (1661, 11741), (2189, 8909)]