18886644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 36150156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 252, 298, 447, 503, 596, 894, 1006, 1043, 1341, 1509, 1788, 2012, 2086, 2682, 3018, 3129, 3521, 4172, 4527, 5364, 6036, 6258, 7042, 9054, 9387, 10563, 12516, 14084, 18108, 18774, 21126, 31689, 37548, 42252, 63378, 74947, 126756, 149894, 224841, 299788, 449682, 524629, 674523, 899364, 1049258, 1349046, 1573887, 2098516, 2698092, 3147774, 4721661, 6295548, 9443322, 18886644]

約数ペア:

[(1, 18886644), (2, 9443322), (3, 6295548), (4, 4721661), (6, 3147774), (7, 2698092), (9, 2098516), (12, 1573887), (14, 1349046), (18, 1049258), (21, 899364), (28, 674523), (36, 524629), (42, 449682), (63, 299788), (84, 224841), (126, 149894), (149, 126756), (252, 74947), (298, 63378), (447, 42252), (503, 37548), (596, 31689), (894, 21126), (1006, 18774), (1043, 18108), (1341, 14084), (1509, 12516), (1788, 10563), (2012, 9387), (2086, 9054), (2682, 7042), (3018, 6258), (3129, 6036), (3521, 5364), (4172, 4527)]