18549856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 43309728

約数和(自身を除く): 24759872

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 43, 52, 61, 68, 86, 104, 122, 136, 172, 208, 221, 244, 272, 344, 416, 442, 488, 544, 559, 688, 731, 793, 884, 976, 1037, 1118, 1376, 1462, 1586, 1768, 1952, 2074, 2236, 2623, 2924, 3172, 3536, 4148, 4472, 5246, 5848, 6344, 7072, 8296, 8944, 9503, 10492, 11696, 12688, 13481, 16592, 17888, 19006, 20984, 23392, 25376, 26962, 33184, 34099, 38012, 41968, 44591, 53924, 68198, 76024, 83936, 89182, 107848, 136396, 152048, 178364, 215696, 272792, 304096, 356728, 431392, 545584, 579683, 713456, 1091168, 1159366, 1426912, 2318732, 4637464, 9274928, 18549856]

約数ペア:

[(1, 18549856), (2, 9274928), (4, 4637464), (8, 2318732), (13, 1426912), (16, 1159366), (17, 1091168), (26, 713456), (32, 579683), (34, 545584), (43, 431392), (52, 356728), (61, 304096), (68, 272792), (86, 215696), (104, 178364), (122, 152048), (136, 136396), (172, 107848), (208, 89182), (221, 83936), (244, 76024), (272, 68198), (344, 53924), (416, 44591), (442, 41968), (488, 38012), (544, 34099), (559, 33184), (688, 26962), (731, 25376), (793, 23392), (884, 20984), (976, 19006), (1037, 17888), (1118, 16592), (1376, 13481), (1462, 12688), (1586, 11696), (1768, 10492), (1952, 9503), (2074, 8944), (2236, 8296), (2623, 7072), (2924, 6344), (3172, 5848), (3536, 5246), (4148, 4472)]