18874284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 54867456

約数和(自身を除く): 35993172

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 102, 132, 143, 156, 187, 204, 221, 286, 374, 429, 442, 561, 572, 647, 663, 748, 858, 884, 1122, 1294, 1326, 1716, 1941, 2244, 2431, 2588, 2652, 3882, 4862, 7117, 7293, 7764, 8411, 9724, 10999, 14234, 14586, 16822, 21351, 21998, 25233, 28468, 29172, 32997, 33644, 42702, 43996, 50466, 65994, 85404, 92521, 100932, 120989, 131988, 142987, 185042, 241978, 277563, 285974, 362967, 370084, 428961, 483956, 555126, 571948, 725934, 857922, 1110252, 1451868, 1572857, 1715844, 3145714, 4718571, 6291428, 9437142, 18874284]

約数ペア:

[(1, 18874284), (2, 9437142), (3, 6291428), (4, 4718571), (6, 3145714), (11, 1715844), (12, 1572857), (13, 1451868), (17, 1110252), (22, 857922), (26, 725934), (33, 571948), (34, 555126), (39, 483956), (44, 428961), (51, 370084), (52, 362967), (66, 285974), (68, 277563), (78, 241978), (102, 185042), (132, 142987), (143, 131988), (156, 120989), (187, 100932), (204, 92521), (221, 85404), (286, 65994), (374, 50466), (429, 43996), (442, 42702), (561, 33644), (572, 32997), (647, 29172), (663, 28468), (748, 25233), (858, 21998), (884, 21351), (1122, 16822), (1294, 14586), (1326, 14234), (1716, 10999), (1941, 9724), (2244, 8411), (2431, 7764), (2588, 7293), (2652, 7117), (3882, 4862)]