18497512

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 38710980

約数和(自身を除く): 20213468

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 121, 194, 197, 242, 388, 394, 484, 776, 788, 968, 1067, 1576, 2134, 2167, 4268, 4334, 8536, 8668, 11737, 17336, 19109, 23474, 23837, 38218, 46948, 47674, 76436, 93896, 95348, 152872, 190696, 210199, 420398, 840796, 1681592, 2312189, 4624378, 9248756, 18497512]

約数ペア:

[(1, 18497512), (2, 9248756), (4, 4624378), (8, 2312189), (11, 1681592), (22, 840796), (44, 420398), (88, 210199), (97, 190696), (121, 152872), (194, 95348), (197, 93896), (242, 76436), (388, 47674), (394, 46948), (484, 38218), (776, 23837), (788, 23474), (968, 19109), (1067, 17336), (1576, 11737), (2134, 8668), (2167, 8536), (4268, 4334)]