19674522

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 54558720

約数和(自身を除く): 34884198

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 31, 42, 46, 54, 62, 63, 69, 73, 93, 126, 138, 146, 161, 186, 189, 207, 217, 219, 279, 322, 378, 414, 434, 438, 483, 511, 558, 621, 651, 657, 713, 837, 966, 1022, 1242, 1302, 1314, 1426, 1449, 1533, 1674, 1679, 1953, 1971, 2139, 2263, 2898, 3066, 3358, 3906, 3942, 4278, 4347, 4526, 4599, 4991, 5037, 5859, 6417, 6789, 8694, 9198, 9982, 10074, 11718, 11753, 12834, 13578, 13797, 14973, 15111, 15841, 19251, 20367, 23506, 27594, 29946, 30222, 31682, 35259, 38502, 40734, 44919, 45333, 47523, 52049, 61101, 70518, 89838, 90666, 95046, 104098, 105777, 122202, 134757, 142569, 156147, 211554, 269514, 285138, 312294, 317331, 364343, 427707, 468441, 634662, 728686, 855414, 936882, 1093029, 1405323, 2186058, 2810646, 3279087, 6558174, 9837261, 19674522]

約数ペア:

[(1, 19674522), (2, 9837261), (3, 6558174), (6, 3279087), (7, 2810646), (9, 2186058), (14, 1405323), (18, 1093029), (21, 936882), (23, 855414), (27, 728686), (31, 634662), (42, 468441), (46, 427707), (54, 364343), (62, 317331), (63, 312294), (69, 285138), (73, 269514), (93, 211554), (126, 156147), (138, 142569), (146, 134757), (161, 122202), (186, 105777), (189, 104098), (207, 95046), (217, 90666), (219, 89838), (279, 70518), (322, 61101), (378, 52049), (414, 47523), (434, 45333), (438, 44919), (483, 40734), (511, 38502), (558, 35259), (621, 31682), (651, 30222), (657, 29946), (713, 27594), (837, 23506), (966, 20367), (1022, 19251), (1242, 15841), (1302, 15111), (1314, 14973), (1426, 13797), (1449, 13578), (1533, 12834), (1674, 11753), (1679, 11718), (1953, 10074), (1971, 9982), (2139, 9198), (2263, 8694), (2898, 6789), (3066, 6417), (3358, 5859), (3906, 5037), (3942, 4991), (4278, 4599), (4347, 4526)]