18042388

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 40509672

約数和(自身を除く): 22467284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 73, 91, 97, 98, 146, 182, 194, 196, 292, 364, 388, 511, 637, 679, 949, 1022, 1261, 1274, 1358, 1898, 2044, 2522, 2548, 2716, 3577, 3796, 4753, 5044, 6643, 7081, 7154, 8827, 9506, 13286, 14162, 14308, 17654, 19012, 26572, 28324, 35308, 46501, 49567, 61789, 92053, 93002, 99134, 123578, 184106, 186004, 198268, 247156, 346969, 368212, 644371, 693938, 1288742, 1387876, 2577484, 4510597, 9021194, 18042388]

約数ペア:

[(1, 18042388), (2, 9021194), (4, 4510597), (7, 2577484), (13, 1387876), (14, 1288742), (26, 693938), (28, 644371), (49, 368212), (52, 346969), (73, 247156), (91, 198268), (97, 186004), (98, 184106), (146, 123578), (182, 99134), (194, 93002), (196, 92053), (292, 61789), (364, 49567), (388, 46501), (511, 35308), (637, 28324), (679, 26572), (949, 19012), (1022, 17654), (1261, 14308), (1274, 14162), (1358, 13286), (1898, 9506), (2044, 8827), (2522, 7154), (2548, 7081), (2716, 6643), (3577, 5044), (3796, 4753)]