18556308

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 49777728

約数和(自身を除く): 31221420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 73, 92, 138, 146, 207, 219, 276, 292, 307, 414, 438, 614, 657, 828, 876, 921, 1228, 1314, 1679, 1842, 2628, 2763, 3358, 3684, 5037, 5526, 6716, 7061, 10074, 11052, 14122, 15111, 20148, 21183, 22411, 28244, 30222, 42366, 44822, 60444, 63549, 67233, 84732, 89644, 127098, 134466, 201699, 254196, 268932, 403398, 515453, 806796, 1030906, 1546359, 2061812, 3092718, 4639077, 6185436, 9278154, 18556308]

約数ペア:

[(1, 18556308), (2, 9278154), (3, 6185436), (4, 4639077), (6, 3092718), (9, 2061812), (12, 1546359), (18, 1030906), (23, 806796), (36, 515453), (46, 403398), (69, 268932), (73, 254196), (92, 201699), (138, 134466), (146, 127098), (207, 89644), (219, 84732), (276, 67233), (292, 63549), (307, 60444), (414, 44822), (438, 42366), (614, 30222), (657, 28244), (828, 22411), (876, 21183), (921, 20148), (1228, 15111), (1314, 14122), (1679, 11052), (1842, 10074), (2628, 7061), (2763, 6716), (3358, 5526), (3684, 5037)]