19487690

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4651}}^1$

素因数の和:5077

約数の個数: 16

約数和(自身を含む): 35169120

約数和(自身を除く): 15681430

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 4651, 9302, 23255, 46510, 1948769, 3897538, 9743845, 19487690]

約数ペア:

[(1, 19487690), (2, 9743845), (5, 3897538), (10, 1948769), (419, 46510), (838, 23255), (2095, 9302), (4190, 4651)]