18749718

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:363

約数の個数: 80

約数和(自身を含む): 46957680

約数和(自身を除く): 28207962

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 78, 81, 87, 117, 162, 174, 234, 261, 307, 351, 377, 522, 614, 702, 754, 783, 921, 1053, 1131, 1566, 1842, 2106, 2262, 2349, 2763, 3393, 3991, 4698, 5526, 6786, 7982, 8289, 8903, 10179, 11973, 16578, 17806, 20358, 23946, 24867, 26709, 30537, 35919, 49734, 53418, 61074, 71838, 80127, 107757, 115739, 160254, 215514, 231478, 240381, 323271, 347217, 480762, 646542, 694434, 721143, 1041651, 1442286, 2083302, 3124953, 6249906, 9374859, 18749718]

約数ペア:

[(1, 18749718), (2, 9374859), (3, 6249906), (6, 3124953), (9, 2083302), (13, 1442286), (18, 1041651), (26, 721143), (27, 694434), (29, 646542), (39, 480762), (54, 347217), (58, 323271), (78, 240381), (81, 231478), (87, 215514), (117, 160254), (162, 115739), (174, 107757), (234, 80127), (261, 71838), (307, 61074), (351, 53418), (377, 49734), (522, 35919), (614, 30537), (702, 26709), (754, 24867), (783, 23946), (921, 20358), (1053, 17806), (1131, 16578), (1566, 11973), (1842, 10179), (2106, 8903), (2262, 8289), (2349, 7982), (2763, 6786), (3393, 5526), (3991, 4698)]