19287170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{275531}}^1$

素因数の和:275545

約数の個数: 16

約数和(自身を含む): 39676608

約数和(自身を除く): 20389438

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 275531, 551062, 1377655, 1928717, 2755310, 3857434, 9643585, 19287170]

約数ペア:

[(1, 19287170), (2, 9643585), (5, 3857434), (7, 2755310), (10, 1928717), (14, 1377655), (35, 551062), (70, 275531)]