19874542

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:963

約数の個数: 16

約数和(自身を含む): 30417552

約数和(自身を除く): 10543010

約数列:

[1, 2, 73, 146, 197, 394, 691, 1382, 14381, 28762, 50443, 100886, 136127, 272254, 9937271, 19874542]

約数ペア:

[(1, 19874542), (2, 9937271), (73, 272254), (146, 136127), (197, 100886), (394, 50443), (691, 28762), (1382, 14381)]