19645276

素因数分解:

$2^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1018

約数の個数: 36

約数和(自身を含む): 40391568

約数和(自身を除く): 20746292

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 113, 196, 226, 452, 791, 887, 1582, 1774, 3164, 3548, 5537, 6209, 11074, 12418, 22148, 24836, 43463, 86926, 100231, 173852, 200462, 400924, 701617, 1403234, 2806468, 4911319, 9822638, 19645276]

約数ペア:

[(1, 19645276), (2, 9822638), (4, 4911319), (7, 2806468), (14, 1403234), (28, 701617), (49, 400924), (98, 200462), (113, 173852), (196, 100231), (226, 86926), (452, 43463), (791, 24836), (887, 22148), (1582, 12418), (1774, 11074), (3164, 6209), (3548, 5537)]