19665646

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 42900480

約数和(自身を除く): 23234834

約数列:

[1, 2, 7, 11, 13, 14, 19, 22, 26, 38, 47, 77, 91, 94, 121, 133, 143, 154, 182, 209, 242, 247, 266, 286, 329, 418, 494, 517, 611, 658, 847, 893, 1001, 1034, 1222, 1463, 1573, 1694, 1729, 1786, 2002, 2299, 2717, 2926, 3146, 3458, 3619, 4277, 4598, 5434, 5687, 6251, 6721, 7238, 8554, 9823, 11011, 11374, 11609, 12502, 13442, 16093, 19019, 19646, 22022, 23218, 29887, 32186, 38038, 39809, 47047, 59774, 68761, 73931, 79618, 81263, 94094, 108053, 127699, 137522, 147862, 162526, 209209, 216106, 255398, 418418, 517517, 756371, 893893, 1035034, 1404689, 1512742, 1787786, 2809378, 9832823, 19665646]

約数ペア:

[(1, 19665646), (2, 9832823), (7, 2809378), (11, 1787786), (13, 1512742), (14, 1404689), (19, 1035034), (22, 893893), (26, 756371), (38, 517517), (47, 418418), (77, 255398), (91, 216106), (94, 209209), (121, 162526), (133, 147862), (143, 137522), (154, 127699), (182, 108053), (209, 94094), (242, 81263), (247, 79618), (266, 73931), (286, 68761), (329, 59774), (418, 47047), (494, 39809), (517, 38038), (611, 32186), (658, 29887), (847, 23218), (893, 22022), (1001, 19646), (1034, 19019), (1222, 16093), (1463, 13442), (1573, 12502), (1694, 11609), (1729, 11374), (1786, 11011), (2002, 9823), (2299, 8554), (2717, 7238), (2926, 6721), (3146, 6251), (3458, 5687), (3619, 5434), (4277, 4598)]