18205124427

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:917

約数の個数: 96

約数和(自身を含む): 31916851200

約数和(自身を除く): 13711726773

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 79, 161, 207, 237, 359, 443, 483, 553, 711, 1077, 1329, 1449, 1659, 1817, 2513, 3101, 3231, 3987, 4977, 5451, 7539, 8257, 9303, 10189, 12719, 16353, 22617, 24771, 27909, 28361, 30567, 34997, 38157, 57799, 71323, 74313, 85083, 91701, 104991, 114471, 159037, 173397, 198527, 213969, 244979, 255249, 314973, 477111, 520191, 595581, 641907, 652303, 734937, 804931, 1113259, 1431333, 1786743, 1956909, 2204811, 2414793, 3339777, 3657851, 4566121, 5634517, 5870727, 7244379, 10019331, 10973553, 12563923, 13698363, 16903551, 25604957, 32920659, 37691769, 41095089, 50710653, 76814871, 87947461, 113075307, 230444613, 263842383, 288970229, 791527149, 866910687, 2022791603, 2600732061, 6068374809, 18205124427]

約数ペア:

[(1, 18205124427), (3, 6068374809), (7, 2600732061), (9, 2022791603), (21, 866910687), (23, 791527149), (63, 288970229), (69, 263842383), (79, 230444613), (161, 113075307), (207, 87947461), (237, 76814871), (359, 50710653), (443, 41095089), (483, 37691769), (553, 32920659), (711, 25604957), (1077, 16903551), (1329, 13698363), (1449, 12563923), (1659, 10973553), (1817, 10019331), (2513, 7244379), (3101, 5870727), (3231, 5634517), (3987, 4566121), (4977, 3657851), (5451, 3339777), (7539, 2414793), (8257, 2204811), (9303, 1956909), (10189, 1786743), (12719, 1431333), (16353, 1113259), (22617, 804931), (24771, 734937), (27909, 652303), (28361, 641907), (30567, 595581), (34997, 520191), (38157, 477111), (57799, 314973), (71323, 255249), (74313, 244979), (85083, 213969), (91701, 198527), (104991, 173397), (114471, 159037)]