19991310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2129}}^1$

素因数の和:2452

約数の個数: 32

約数和(自身を含む): 48155040

約数和(自身を除く): 28163730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 313, 626, 939, 1565, 1878, 2129, 3130, 4258, 4695, 6387, 9390, 10645, 12774, 21290, 31935, 63870, 666377, 1332754, 1999131, 3331885, 3998262, 6663770, 9995655, 19991310]

約数ペア:

[(1, 19991310), (2, 9995655), (3, 6663770), (5, 3998262), (6, 3331885), (10, 1999131), (15, 1332754), (30, 666377), (313, 63870), (626, 31935), (939, 21290), (1565, 12774), (1878, 10645), (2129, 9390), (3130, 6387), (4258, 4695)]