18910416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2447}}^1$

素因数の和:2488

約数の個数: 80

約数和(自身を含む): 58281984

約数和(自身を除く): 39371568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2447, 2576, 3864, 4894, 7341, 7728, 9788, 14682, 17129, 19576, 29364, 34258, 39152, 51387, 56281, 58728, 68516, 102774, 112562, 117456, 137032, 168843, 205548, 225124, 274064, 337686, 393967, 411096, 450248, 675372, 787934, 822192, 900496, 1181901, 1350744, 1575868, 2363802, 2701488, 3151736, 4727604, 6303472, 9455208, 18910416]

約数ペア:

[(1, 18910416), (2, 9455208), (3, 6303472), (4, 4727604), (6, 3151736), (7, 2701488), (8, 2363802), (12, 1575868), (14, 1350744), (16, 1181901), (21, 900496), (23, 822192), (24, 787934), (28, 675372), (42, 450248), (46, 411096), (48, 393967), (56, 337686), (69, 274064), (84, 225124), (92, 205548), (112, 168843), (138, 137032), (161, 117456), (168, 112562), (184, 102774), (276, 68516), (322, 58728), (336, 56281), (368, 51387), (483, 39152), (552, 34258), (644, 29364), (966, 19576), (1104, 17129), (1288, 14682), (1932, 9788), (2447, 7728), (2576, 7341), (3864, 4894)]