18731568

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 54425088

約数和(自身を除く): 35693520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 47, 48, 57, 69, 76, 92, 94, 114, 138, 141, 152, 184, 188, 228, 276, 282, 304, 361, 368, 376, 437, 456, 552, 564, 722, 752, 874, 893, 912, 1081, 1083, 1104, 1128, 1311, 1444, 1748, 1786, 2162, 2166, 2256, 2622, 2679, 2888, 3243, 3496, 3572, 4324, 4332, 5244, 5358, 5776, 6486, 6992, 7144, 8303, 8648, 8664, 10488, 10716, 12972, 14288, 16606, 16967, 17296, 17328, 20539, 20976, 21432, 24909, 25944, 33212, 33934, 41078, 42864, 49818, 50901, 51888, 61617, 66424, 67868, 82156, 99636, 101802, 123234, 132848, 135736, 164312, 199272, 203604, 246468, 271472, 328624, 390241, 398544, 407208, 492936, 780482, 814416, 985872, 1170723, 1560964, 2341446, 3121928, 4682892, 6243856, 9365784, 18731568]

約数ペア:

[(1, 18731568), (2, 9365784), (3, 6243856), (4, 4682892), (6, 3121928), (8, 2341446), (12, 1560964), (16, 1170723), (19, 985872), (23, 814416), (24, 780482), (38, 492936), (46, 407208), (47, 398544), (48, 390241), (57, 328624), (69, 271472), (76, 246468), (92, 203604), (94, 199272), (114, 164312), (138, 135736), (141, 132848), (152, 123234), (184, 101802), (188, 99636), (228, 82156), (276, 67868), (282, 66424), (304, 61617), (361, 51888), (368, 50901), (376, 49818), (437, 42864), (456, 41078), (552, 33934), (564, 33212), (722, 25944), (752, 24909), (874, 21432), (893, 20976), (912, 20539), (1081, 17328), (1083, 17296), (1104, 16967), (1128, 16606), (1311, 14288), (1444, 12972), (1748, 10716), (1786, 10488), (2162, 8664), (2166, 8648), (2256, 8303), (2622, 7144), (2679, 6992), (2888, 6486), (3243, 5776), (3496, 5358), (3572, 5244), (4324, 4332)]