18339520

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:497

約数の個数: 56

約数和(自身を含む): 44037504

約数和(自身を除く): 25697984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 257, 320, 446, 514, 892, 1028, 1115, 1285, 1784, 2056, 2230, 2570, 3568, 4112, 4460, 5140, 7136, 8224, 8920, 10280, 14272, 16448, 17840, 20560, 35680, 41120, 57311, 71360, 82240, 114622, 229244, 286555, 458488, 573110, 916976, 1146220, 1833952, 2292440, 3667904, 4584880, 9169760, 18339520]

約数ペア:

[(1, 18339520), (2, 9169760), (4, 4584880), (5, 3667904), (8, 2292440), (10, 1833952), (16, 1146220), (20, 916976), (32, 573110), (40, 458488), (64, 286555), (80, 229244), (160, 114622), (223, 82240), (257, 71360), (320, 57311), (446, 41120), (514, 35680), (892, 20560), (1028, 17840), (1115, 16448), (1285, 14272), (1784, 10280), (2056, 8920), (2230, 8224), (2570, 7136), (3568, 5140), (4112, 4460)]