19404434

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72949}}^1$

素因数の和:72977

約数の個数: 16

約数和(自身を含む): 35016000

約数和(自身を除く): 15611566

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72949, 145898, 510643, 1021286, 1386031, 2772062, 9702217, 19404434]

約数ペア:

[(1, 19404434), (2, 9702217), (7, 2772062), (14, 1386031), (19, 1021286), (38, 510643), (133, 145898), (266, 72949)]