15681688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 34473600

約数和(自身を除く): 18791912

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 83, 88, 113, 152, 166, 209, 226, 332, 418, 452, 664, 836, 904, 913, 1243, 1577, 1672, 1826, 2147, 2486, 3154, 3652, 4294, 4972, 6308, 7304, 8588, 9379, 9944, 12616, 17176, 17347, 18758, 23617, 34694, 37516, 47234, 69388, 75032, 94468, 103169, 138776, 178201, 188936, 206338, 356402, 412676, 712804, 825352, 1425608, 1960211, 3920422, 7840844, 15681688]

約数ペア:

[(1, 15681688), (2, 7840844), (4, 3920422), (8, 1960211), (11, 1425608), (19, 825352), (22, 712804), (38, 412676), (44, 356402), (76, 206338), (83, 188936), (88, 178201), (113, 138776), (152, 103169), (166, 94468), (209, 75032), (226, 69388), (332, 47234), (418, 37516), (452, 34694), (664, 23617), (836, 18758), (904, 17347), (913, 17176), (1243, 12616), (1577, 9944), (1672, 9379), (1826, 8588), (2147, 7304), (2486, 6308), (3154, 4972), (3652, 4294)]