18801412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{599}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 40320000

約数和(自身を除く): 21518588

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 599, 826, 1121, 1198, 1652, 2242, 2396, 4193, 4484, 7847, 8386, 11381, 15694, 16772, 22762, 31388, 35341, 45524, 70682, 79667, 141364, 159334, 247387, 318668, 494774, 671479, 989548, 1342958, 2685916, 4700353, 9400706, 18801412]

約数ペア:

[(1, 18801412), (2, 9400706), (4, 4700353), (7, 2685916), (14, 1342958), (19, 989548), (28, 671479), (38, 494774), (59, 318668), (76, 247387), (118, 159334), (133, 141364), (236, 79667), (266, 70682), (413, 45524), (532, 35341), (599, 31388), (826, 22762), (1121, 16772), (1198, 15694), (1652, 11381), (2242, 8386), (2396, 7847), (4193, 4484)]