17980928

素因数分解:

$2^9\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 42720480

約数和(自身を除く): 24739552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 173, 203, 224, 232, 256, 346, 406, 448, 464, 512, 692, 812, 896, 928, 1211, 1384, 1624, 1792, 1856, 2422, 2768, 3248, 3584, 3712, 4844, 5017, 5536, 6496, 7424, 9688, 10034, 11072, 12992, 14848, 19376, 20068, 22144, 25984, 35119, 38752, 40136, 44288, 51968, 70238, 77504, 80272, 88576, 103936, 140476, 155008, 160544, 280952, 310016, 321088, 561904, 620032, 642176, 1123808, 1284352, 2247616, 2568704, 4495232, 8990464, 17980928]

約数ペア:

[(1, 17980928), (2, 8990464), (4, 4495232), (7, 2568704), (8, 2247616), (14, 1284352), (16, 1123808), (28, 642176), (29, 620032), (32, 561904), (56, 321088), (58, 310016), (64, 280952), (112, 160544), (116, 155008), (128, 140476), (173, 103936), (203, 88576), (224, 80272), (232, 77504), (256, 70238), (346, 51968), (406, 44288), (448, 40136), (464, 38752), (512, 35119), (692, 25984), (812, 22144), (896, 20068), (928, 19376), (1211, 14848), (1384, 12992), (1624, 11072), (1792, 10034), (1856, 9688), (2422, 7424), (2768, 6496), (3248, 5536), (3584, 5017), (3712, 4844)]