19423586

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 38949120

約数和(自身を除く): 19525534

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 41, 82, 91, 133, 137, 182, 247, 266, 274, 287, 494, 533, 574, 779, 959, 1066, 1558, 1729, 1781, 1918, 2603, 3458, 3562, 3731, 5206, 5453, 5617, 7462, 10127, 10906, 11234, 12467, 18221, 20254, 24934, 33839, 36442, 39319, 67678, 70889, 73021, 78638, 106723, 141778, 146042, 213446, 236873, 473746, 511147, 747061, 1022294, 1387399, 1494122, 2774798, 9711793, 19423586]

約数ペア:

[(1, 19423586), (2, 9711793), (7, 2774798), (13, 1494122), (14, 1387399), (19, 1022294), (26, 747061), (38, 511147), (41, 473746), (82, 236873), (91, 213446), (133, 146042), (137, 141778), (182, 106723), (247, 78638), (266, 73021), (274, 70889), (287, 67678), (494, 39319), (533, 36442), (574, 33839), (779, 24934), (959, 20254), (1066, 18221), (1558, 12467), (1729, 11234), (1781, 10906), (1918, 10127), (2603, 7462), (3458, 5617), (3562, 5453), (3731, 5206)]