18425440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 51846480

約数和(自身を除く): 33421040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 29, 32, 38, 40, 44, 55, 58, 76, 80, 88, 95, 110, 116, 145, 152, 160, 176, 190, 209, 220, 232, 290, 304, 319, 352, 361, 380, 418, 440, 464, 551, 580, 608, 638, 722, 760, 836, 880, 928, 1045, 1102, 1160, 1276, 1444, 1520, 1595, 1672, 1760, 1805, 2090, 2204, 2320, 2552, 2755, 2888, 3040, 3190, 3344, 3610, 3971, 4180, 4408, 4640, 5104, 5510, 5776, 6061, 6380, 6688, 7220, 7942, 8360, 8816, 10208, 10469, 11020, 11552, 12122, 12760, 14440, 15884, 16720, 17632, 19855, 20938, 22040, 24244, 25520, 28880, 30305, 31768, 33440, 39710, 41876, 44080, 48488, 51040, 52345, 57760, 60610, 63536, 79420, 83752, 88160, 96976, 104690, 115159, 121220, 127072, 158840, 167504, 193952, 209380, 230318, 242440, 317680, 335008, 418760, 460636, 484880, 575795, 635360, 837520, 921272, 969760, 1151590, 1675040, 1842544, 2303180, 3685088, 4606360, 9212720, 18425440]

約数ペア:

[(1, 18425440), (2, 9212720), (4, 4606360), (5, 3685088), (8, 2303180), (10, 1842544), (11, 1675040), (16, 1151590), (19, 969760), (20, 921272), (22, 837520), (29, 635360), (32, 575795), (38, 484880), (40, 460636), (44, 418760), (55, 335008), (58, 317680), (76, 242440), (80, 230318), (88, 209380), (95, 193952), (110, 167504), (116, 158840), (145, 127072), (152, 121220), (160, 115159), (176, 104690), (190, 96976), (209, 88160), (220, 83752), (232, 79420), (290, 63536), (304, 60610), (319, 57760), (352, 52345), (361, 51040), (380, 48488), (418, 44080), (440, 41876), (464, 39710), (551, 33440), (580, 31768), (608, 30305), (638, 28880), (722, 25520), (760, 24244), (836, 22040), (880, 20938), (928, 19855), (1045, 17632), (1102, 16720), (1160, 15884), (1276, 14440), (1444, 12760), (1520, 12122), (1595, 11552), (1672, 11020), (1760, 10469), (1805, 10208), (2090, 8816), (2204, 8360), (2320, 7942), (2552, 7220), (2755, 6688), (2888, 6380), (3040, 6061), (3190, 5776), (3344, 5510), (3610, 5104), (3971, 4640), (4180, 4408)]