18722368

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 84

約数和(自身を含む): 44947840

約数和(自身を除く): 26225472

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 79, 92, 112, 158, 161, 184, 224, 316, 322, 368, 448, 529, 553, 632, 644, 736, 1058, 1106, 1264, 1288, 1472, 1817, 2116, 2212, 2528, 2576, 3634, 3703, 4232, 4424, 5056, 5152, 7268, 7406, 8464, 8848, 10304, 12719, 14536, 14812, 16928, 17696, 25438, 29072, 29624, 33856, 35392, 41791, 50876, 58144, 59248, 83582, 101752, 116288, 118496, 167164, 203504, 236992, 292537, 334328, 407008, 585074, 668656, 814016, 1170148, 1337312, 2340296, 2674624, 4680592, 9361184, 18722368]

約数ペア:

[(1, 18722368), (2, 9361184), (4, 4680592), (7, 2674624), (8, 2340296), (14, 1337312), (16, 1170148), (23, 814016), (28, 668656), (32, 585074), (46, 407008), (56, 334328), (64, 292537), (79, 236992), (92, 203504), (112, 167164), (158, 118496), (161, 116288), (184, 101752), (224, 83582), (316, 59248), (322, 58144), (368, 50876), (448, 41791), (529, 35392), (553, 33856), (632, 29624), (644, 29072), (736, 25438), (1058, 17696), (1106, 16928), (1264, 14812), (1288, 14536), (1472, 12719), (1817, 10304), (2116, 8848), (2212, 8464), (2528, 7406), (2576, 7268), (3634, 5152), (3703, 5056), (4232, 4424)]