19788526

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:867

約数の個数: 16

約数和(自身を含む): 30210768

約数和(自身を除く): 10422242

約数列:

[1, 2, 101, 163, 202, 326, 601, 1202, 16463, 32926, 60701, 97963, 121402, 195926, 9894263, 19788526]

約数ペア:

[(1, 19788526), (2, 9894263), (101, 195926), (163, 121402), (202, 97963), (326, 60701), (601, 32926), (1202, 16463)]