19704672

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 63750960

約数和(自身を除く): 44046288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 277, 288, 304, 312, 342, 416, 456, 468, 494, 554, 608, 624, 684, 741, 831, 912, 936, 988, 1108, 1248, 1368, 1482, 1662, 1824, 1872, 1976, 2216, 2223, 2493, 2736, 2964, 3324, 3601, 3744, 3952, 4432, 4446, 4986, 5263, 5472, 5928, 6648, 7202, 7904, 8864, 8892, 9972, 10526, 10803, 11856, 13296, 14404, 15789, 17784, 19944, 21052, 21606, 23712, 26592, 28808, 31578, 32409, 35568, 39888, 42104, 43212, 47367, 57616, 63156, 64818, 68419, 71136, 79776, 84208, 86424, 94734, 115232, 126312, 129636, 136838, 168416, 172848, 189468, 205257, 252624, 259272, 273676, 345696, 378936, 410514, 505248, 518544, 547352, 615771, 757872, 821028, 1037088, 1094704, 1231542, 1515744, 1642056, 2189408, 2463084, 3284112, 4926168, 6568224, 9852336, 19704672]

約数ペア:

[(1, 19704672), (2, 9852336), (3, 6568224), (4, 4926168), (6, 3284112), (8, 2463084), (9, 2189408), (12, 1642056), (13, 1515744), (16, 1231542), (18, 1094704), (19, 1037088), (24, 821028), (26, 757872), (32, 615771), (36, 547352), (38, 518544), (39, 505248), (48, 410514), (52, 378936), (57, 345696), (72, 273676), (76, 259272), (78, 252624), (96, 205257), (104, 189468), (114, 172848), (117, 168416), (144, 136838), (152, 129636), (156, 126312), (171, 115232), (208, 94734), (228, 86424), (234, 84208), (247, 79776), (277, 71136), (288, 68419), (304, 64818), (312, 63156), (342, 57616), (416, 47367), (456, 43212), (468, 42104), (494, 39888), (554, 35568), (608, 32409), (624, 31578), (684, 28808), (741, 26592), (831, 23712), (912, 21606), (936, 21052), (988, 19944), (1108, 17784), (1248, 15789), (1368, 14404), (1482, 13296), (1662, 11856), (1824, 10803), (1872, 10526), (1976, 9972), (2216, 8892), (2223, 8864), (2493, 7904), (2736, 7202), (2964, 6648), (3324, 5928), (3601, 5472), (3744, 5263), (3952, 4986), (4432, 4446)]