19791408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 46204368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 23, 24, 26, 28, 39, 42, 46, 48, 52, 56, 69, 78, 84, 91, 92, 104, 112, 138, 156, 161, 168, 182, 184, 197, 208, 273, 276, 299, 312, 322, 336, 364, 368, 394, 483, 546, 552, 591, 598, 624, 644, 728, 788, 897, 966, 1092, 1104, 1182, 1196, 1288, 1379, 1456, 1576, 1794, 1932, 2093, 2184, 2364, 2392, 2561, 2576, 2758, 3152, 3588, 3864, 4137, 4186, 4368, 4531, 4728, 4784, 5122, 5516, 6279, 7176, 7683, 7728, 8274, 8372, 9062, 9456, 10244, 11032, 12558, 13593, 14352, 15366, 16548, 16744, 17927, 18124, 20488, 22064, 25116, 27186, 30732, 31717, 33096, 33488, 35854, 36248, 40976, 50232, 53781, 54372, 58903, 61464, 63434, 66192, 71708, 72496, 95151, 100464, 107562, 108744, 117806, 122928, 126868, 143416, 176709, 190302, 215124, 217488, 235612, 253736, 286832, 353418, 380604, 412321, 430248, 471224, 507472, 706836, 761208, 824642, 860496, 942448, 1236963, 1413672, 1522416, 1649284, 2473926, 2827344, 3298568, 4947852, 6597136, 9895704, 19791408]

約数ペア:

[(1, 19791408), (2, 9895704), (3, 6597136), (4, 4947852), (6, 3298568), (7, 2827344), (8, 2473926), (12, 1649284), (13, 1522416), (14, 1413672), (16, 1236963), (21, 942448), (23, 860496), (24, 824642), (26, 761208), (28, 706836), (39, 507472), (42, 471224), (46, 430248), (48, 412321), (52, 380604), (56, 353418), (69, 286832), (78, 253736), (84, 235612), (91, 217488), (92, 215124), (104, 190302), (112, 176709), (138, 143416), (156, 126868), (161, 122928), (168, 117806), (182, 108744), (184, 107562), (197, 100464), (208, 95151), (273, 72496), (276, 71708), (299, 66192), (312, 63434), (322, 61464), (336, 58903), (364, 54372), (368, 53781), (394, 50232), (483, 40976), (546, 36248), (552, 35854), (591, 33488), (598, 33096), (624, 31717), (644, 30732), (728, 27186), (788, 25116), (897, 22064), (966, 20488), (1092, 18124), (1104, 17927), (1182, 16744), (1196, 16548), (1288, 15366), (1379, 14352), (1456, 13593), (1576, 12558), (1794, 11032), (1932, 10244), (2093, 9456), (2184, 9062), (2364, 8372), (2392, 8274), (2561, 7728), (2576, 7683), (2758, 7176), (3152, 6279), (3588, 5516), (3864, 5122), (4137, 4784), (4186, 4728), (4368, 4531)]