19549712

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 48330240

約数和(自身を除く): 28780528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 232, 364, 377, 406, 463, 464, 728, 754, 812, 926, 1456, 1508, 1624, 1852, 2639, 3016, 3241, 3248, 3704, 5278, 6019, 6032, 6482, 7408, 10556, 12038, 12964, 13427, 21112, 24076, 25928, 26854, 42133, 42224, 48152, 51856, 53708, 84266, 93989, 96304, 107416, 168532, 174551, 187978, 214832, 337064, 349102, 375956, 674128, 698204, 751912, 1221857, 1396408, 1503824, 2443714, 2792816, 4887428, 9774856, 19549712]

約数ペア:

[(1, 19549712), (2, 9774856), (4, 4887428), (7, 2792816), (8, 2443714), (13, 1503824), (14, 1396408), (16, 1221857), (26, 751912), (28, 698204), (29, 674128), (52, 375956), (56, 349102), (58, 337064), (91, 214832), (104, 187978), (112, 174551), (116, 168532), (182, 107416), (203, 96304), (208, 93989), (232, 84266), (364, 53708), (377, 51856), (406, 48152), (463, 42224), (464, 42133), (728, 26854), (754, 25928), (812, 24076), (926, 21112), (1456, 13427), (1508, 12964), (1624, 12038), (1852, 10556), (2639, 7408), (3016, 6482), (3241, 6032), (3248, 6019), (3704, 5278)]