18974352

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 52050240

約数和(自身を除く): 33075888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 43, 48, 58, 86, 87, 116, 129, 172, 174, 232, 258, 317, 344, 348, 464, 516, 634, 688, 696, 951, 1032, 1247, 1268, 1392, 1902, 2064, 2494, 2536, 3741, 3804, 4988, 5072, 7482, 7608, 9193, 9976, 13631, 14964, 15216, 18386, 19952, 27262, 27579, 29928, 36772, 40893, 54524, 55158, 59856, 73544, 81786, 109048, 110316, 147088, 163572, 218096, 220632, 327144, 395299, 441264, 654288, 790598, 1185897, 1581196, 2371794, 3162392, 4743588, 6324784, 9487176, 18974352]

約数ペア:

[(1, 18974352), (2, 9487176), (3, 6324784), (4, 4743588), (6, 3162392), (8, 2371794), (12, 1581196), (16, 1185897), (24, 790598), (29, 654288), (43, 441264), (48, 395299), (58, 327144), (86, 220632), (87, 218096), (116, 163572), (129, 147088), (172, 110316), (174, 109048), (232, 81786), (258, 73544), (317, 59856), (344, 55158), (348, 54524), (464, 40893), (516, 36772), (634, 29928), (688, 27579), (696, 27262), (951, 19952), (1032, 18386), (1247, 15216), (1268, 14964), (1392, 13631), (1902, 9976), (2064, 9193), (2494, 7608), (2536, 7482), (3741, 5072), (3804, 4988)]