18680508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 61641216

約数和(自身を除く): 42960708

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 23, 28, 33, 36, 42, 44, 46, 63, 66, 69, 77, 84, 92, 99, 126, 132, 138, 154, 161, 198, 207, 231, 252, 253, 276, 293, 308, 322, 396, 414, 462, 483, 506, 586, 644, 693, 759, 828, 879, 924, 966, 1012, 1172, 1386, 1449, 1518, 1758, 1771, 1932, 2051, 2277, 2637, 2772, 2898, 3036, 3223, 3516, 3542, 4102, 4554, 5274, 5313, 5796, 6153, 6446, 6739, 7084, 8204, 9108, 9669, 10548, 10626, 12306, 12892, 13478, 15939, 18459, 19338, 20217, 21252, 22561, 24612, 26956, 29007, 31878, 36918, 38676, 40434, 45122, 47173, 58014, 60651, 63756, 67683, 73836, 74129, 80868, 90244, 94346, 116028, 121302, 135366, 141519, 148258, 188692, 203049, 222387, 242604, 270732, 283038, 296516, 406098, 424557, 444774, 518903, 566076, 667161, 812196, 849114, 889548, 1037806, 1334322, 1556709, 1698228, 2075612, 2668644, 3113418, 4670127, 6226836, 9340254, 18680508]

約数ペア:

[(1, 18680508), (2, 9340254), (3, 6226836), (4, 4670127), (6, 3113418), (7, 2668644), (9, 2075612), (11, 1698228), (12, 1556709), (14, 1334322), (18, 1037806), (21, 889548), (22, 849114), (23, 812196), (28, 667161), (33, 566076), (36, 518903), (42, 444774), (44, 424557), (46, 406098), (63, 296516), (66, 283038), (69, 270732), (77, 242604), (84, 222387), (92, 203049), (99, 188692), (126, 148258), (132, 141519), (138, 135366), (154, 121302), (161, 116028), (198, 94346), (207, 90244), (231, 80868), (252, 74129), (253, 73836), (276, 67683), (293, 63756), (308, 60651), (322, 58014), (396, 47173), (414, 45122), (462, 40434), (483, 38676), (506, 36918), (586, 31878), (644, 29007), (693, 26956), (759, 24612), (828, 22561), (879, 21252), (924, 20217), (966, 19338), (1012, 18459), (1172, 15939), (1386, 13478), (1449, 12892), (1518, 12306), (1758, 10626), (1771, 10548), (1932, 9669), (2051, 9108), (2277, 8204), (2637, 7084), (2772, 6739), (2898, 6446), (3036, 6153), (3223, 5796), (3516, 5313), (3542, 5274), (4102, 4554)]