19495008

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 61641216

約数和(自身を除く): 42146208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 41, 48, 52, 72, 78, 82, 96, 104, 117, 123, 127, 144, 156, 164, 208, 234, 246, 254, 288, 312, 328, 369, 381, 416, 468, 492, 508, 533, 624, 656, 738, 762, 936, 984, 1016, 1066, 1143, 1248, 1312, 1476, 1524, 1599, 1651, 1872, 1968, 2032, 2132, 2286, 2952, 3048, 3198, 3302, 3744, 3936, 4064, 4264, 4572, 4797, 4953, 5207, 5904, 6096, 6396, 6604, 8528, 9144, 9594, 9906, 10414, 11808, 12192, 12792, 13208, 14859, 15621, 17056, 18288, 19188, 19812, 20828, 25584, 26416, 29718, 31242, 36576, 38376, 39624, 41656, 46863, 51168, 52832, 59436, 62484, 67691, 76752, 79248, 83312, 93726, 118872, 124968, 135382, 153504, 158496, 166624, 187452, 203073, 237744, 249936, 270764, 374904, 406146, 475488, 499872, 541528, 609219, 749808, 812292, 1083056, 1218438, 1499616, 1624584, 2166112, 2436876, 3249168, 4873752, 6498336, 9747504, 19495008]

約数ペア:

[(1, 19495008), (2, 9747504), (3, 6498336), (4, 4873752), (6, 3249168), (8, 2436876), (9, 2166112), (12, 1624584), (13, 1499616), (16, 1218438), (18, 1083056), (24, 812292), (26, 749808), (32, 609219), (36, 541528), (39, 499872), (41, 475488), (48, 406146), (52, 374904), (72, 270764), (78, 249936), (82, 237744), (96, 203073), (104, 187452), (117, 166624), (123, 158496), (127, 153504), (144, 135382), (156, 124968), (164, 118872), (208, 93726), (234, 83312), (246, 79248), (254, 76752), (288, 67691), (312, 62484), (328, 59436), (369, 52832), (381, 51168), (416, 46863), (468, 41656), (492, 39624), (508, 38376), (533, 36576), (624, 31242), (656, 29718), (738, 26416), (762, 25584), (936, 20828), (984, 19812), (1016, 19188), (1066, 18288), (1143, 17056), (1248, 15621), (1312, 14859), (1476, 13208), (1524, 12792), (1599, 12192), (1651, 11808), (1872, 10414), (1968, 9906), (2032, 9594), (2132, 9144), (2286, 8528), (2952, 6604), (3048, 6396), (3198, 6096), (3302, 5904), (3744, 5207), (3936, 4953), (4064, 4797), (4264, 4572)]