18517576

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1354

約数の個数: 64

約数和(自身を含む): 45204480

約数和(自身を除く): 26686904

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1307, 1771, 2024, 2614, 3542, 5228, 7084, 9149, 10456, 14168, 14377, 18298, 28754, 30061, 36596, 57508, 60122, 73192, 100639, 115016, 120244, 201278, 210427, 240488, 330671, 402556, 420854, 661342, 805112, 841708, 1322684, 1683416, 2314697, 2645368, 4629394, 9258788, 18517576]

約数ペア:

[(1, 18517576), (2, 9258788), (4, 4629394), (7, 2645368), (8, 2314697), (11, 1683416), (14, 1322684), (22, 841708), (23, 805112), (28, 661342), (44, 420854), (46, 402556), (56, 330671), (77, 240488), (88, 210427), (92, 201278), (154, 120244), (161, 115016), (184, 100639), (253, 73192), (308, 60122), (322, 57508), (506, 36596), (616, 30061), (644, 28754), (1012, 18298), (1288, 14377), (1307, 14168), (1771, 10456), (2024, 9149), (2614, 7084), (3542, 5228)]