19200980

素因数分解:

$2^2\times 5^1\times {\mathrm{960049}}^1$

素因数の和:960058

約数の個数: 12

約数和(自身を含む): 40322100

約数和(自身を除く): 21121120

約数列:

[1, 2, 4, 5, 10, 20, 960049, 1920098, 3840196, 4800245, 9600490, 19200980]

約数ペア:

[(1, 19200980), (2, 9600490), (4, 4800245), (5, 3840196), (10, 1920098), (20, 960049)]