18704868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2481

約数の個数: 72

約数和(自身を含む): 54698112

約数和(自身を除く): 35993244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2447, 2548, 3822, 4894, 7341, 7644, 9788, 14682, 17129, 29364, 31811, 34258, 51387, 63622, 68516, 95433, 102774, 119903, 127244, 190866, 205548, 222677, 239806, 359709, 381732, 445354, 479612, 668031, 719418, 890708, 1336062, 1438836, 1558739, 2672124, 3117478, 4676217, 6234956, 9352434, 18704868]

約数ペア:

[(1, 18704868), (2, 9352434), (3, 6234956), (4, 4676217), (6, 3117478), (7, 2672124), (12, 1558739), (13, 1438836), (14, 1336062), (21, 890708), (26, 719418), (28, 668031), (39, 479612), (42, 445354), (49, 381732), (52, 359709), (78, 239806), (84, 222677), (91, 205548), (98, 190866), (147, 127244), (156, 119903), (182, 102774), (196, 95433), (273, 68516), (294, 63622), (364, 51387), (546, 34258), (588, 31811), (637, 29364), (1092, 17129), (1274, 14682), (1911, 9788), (2447, 7644), (2548, 7341), (3822, 4894)]