18942966

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1173

約数の個数: 48

約数和(自身を含む): 47268000

約数和(自身を除く): 28325034

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 149, 298, 447, 894, 1009, 1043, 1341, 2018, 2086, 2682, 3027, 3129, 6054, 6258, 7063, 9081, 9387, 14126, 18162, 18774, 21189, 42378, 63567, 127134, 150341, 300682, 451023, 902046, 1052387, 1353069, 2104774, 2706138, 3157161, 6314322, 9471483, 18942966]

約数ペア:

[(1, 18942966), (2, 9471483), (3, 6314322), (6, 3157161), (7, 2706138), (9, 2104774), (14, 1353069), (18, 1052387), (21, 902046), (42, 451023), (63, 300682), (126, 150341), (149, 127134), (298, 63567), (447, 42378), (894, 21189), (1009, 18774), (1043, 18162), (1341, 14126), (2018, 9387), (2086, 9081), (2682, 7063), (3027, 6258), (3129, 6054)]