18279872

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:325

約数の個数: 56

約数和(自身を含む): 39599616

約数和(自身を除く): 21319744

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 173, 208, 254, 346, 416, 508, 692, 832, 1016, 1384, 1651, 2032, 2249, 2768, 3302, 4064, 4498, 5536, 6604, 8128, 8996, 11072, 13208, 17992, 21971, 26416, 35984, 43942, 52832, 71968, 87884, 105664, 143936, 175768, 285623, 351536, 571246, 703072, 1142492, 1406144, 2284984, 4569968, 9139936, 18279872]

約数ペア:

[(1, 18279872), (2, 9139936), (4, 4569968), (8, 2284984), (13, 1406144), (16, 1142492), (26, 703072), (32, 571246), (52, 351536), (64, 285623), (104, 175768), (127, 143936), (173, 105664), (208, 87884), (254, 71968), (346, 52832), (416, 43942), (508, 35984), (692, 26416), (832, 21971), (1016, 17992), (1384, 13208), (1651, 11072), (2032, 8996), (2249, 8128), (2768, 6604), (3302, 5536), (4064, 4498)]