18431648

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 20033632

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 79, 92, 158, 184, 316, 317, 368, 632, 634, 736, 1264, 1268, 1817, 2528, 2536, 3634, 5072, 7268, 7291, 10144, 14536, 14582, 25043, 29072, 29164, 50086, 58144, 58328, 100172, 116656, 200344, 233312, 400688, 575989, 801376, 1151978, 2303956, 4607912, 9215824, 18431648]

約数ペア:

[(1, 18431648), (2, 9215824), (4, 4607912), (8, 2303956), (16, 1151978), (23, 801376), (32, 575989), (46, 400688), (79, 233312), (92, 200344), (158, 116656), (184, 100172), (316, 58328), (317, 58144), (368, 50086), (632, 29164), (634, 29072), (736, 25043), (1264, 14582), (1268, 14536), (1817, 10144), (2528, 7291), (2536, 7268), (3634, 5072)]