19800312

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 58482000

約数和(自身を除く): 38681688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 113, 147, 149, 168, 196, 226, 294, 298, 339, 392, 447, 452, 588, 596, 678, 791, 894, 904, 1043, 1176, 1192, 1356, 1582, 1788, 2086, 2373, 2712, 3129, 3164, 3576, 4172, 4746, 5537, 6258, 6328, 7301, 8344, 9492, 11074, 12516, 14602, 16611, 16837, 18984, 21903, 22148, 25032, 29204, 33222, 33674, 43806, 44296, 50511, 58408, 66444, 67348, 87612, 101022, 117859, 132888, 134696, 175224, 202044, 235718, 353577, 404088, 471436, 707154, 825013, 942872, 1414308, 1650026, 2475039, 2828616, 3300052, 4950078, 6600104, 9900156, 19800312]

約数ペア:

[(1, 19800312), (2, 9900156), (3, 6600104), (4, 4950078), (6, 3300052), (7, 2828616), (8, 2475039), (12, 1650026), (14, 1414308), (21, 942872), (24, 825013), (28, 707154), (42, 471436), (49, 404088), (56, 353577), (84, 235718), (98, 202044), (113, 175224), (147, 134696), (149, 132888), (168, 117859), (196, 101022), (226, 87612), (294, 67348), (298, 66444), (339, 58408), (392, 50511), (447, 44296), (452, 43806), (588, 33674), (596, 33222), (678, 29204), (791, 25032), (894, 22148), (904, 21903), (1043, 18984), (1176, 16837), (1192, 16611), (1356, 14602), (1582, 12516), (1788, 11074), (2086, 9492), (2373, 8344), (2712, 7301), (3129, 6328), (3164, 6258), (3576, 5537), (4172, 4746)]