16988994

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 42353280

約数和(自身を除く): 25364286

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 198, 222, 297, 333, 407, 594, 666, 773, 814, 999, 1221, 1546, 1998, 2319, 2442, 3663, 4638, 6957, 7326, 8503, 10989, 13914, 17006, 20871, 21978, 25509, 28601, 41742, 51018, 57202, 76527, 85803, 153054, 171606, 229581, 257409, 314611, 459162, 514818, 629222, 772227, 943833, 1544454, 1887666, 2831499, 5662998, 8494497, 16988994]

約数ペア:

[(1, 16988994), (2, 8494497), (3, 5662998), (6, 2831499), (9, 1887666), (11, 1544454), (18, 943833), (22, 772227), (27, 629222), (33, 514818), (37, 459162), (54, 314611), (66, 257409), (74, 229581), (99, 171606), (111, 153054), (198, 85803), (222, 76527), (297, 57202), (333, 51018), (407, 41742), (594, 28601), (666, 25509), (773, 21978), (814, 20871), (999, 17006), (1221, 13914), (1546, 10989), (1998, 8503), (2319, 7326), (2442, 6957), (3663, 4638)]