18190216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2131}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 37608480

約数和(自身を除く): 19418264

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2131, 2134, 4262, 4268, 8524, 8536, 17048, 23441, 46882, 93764, 187528, 206707, 413414, 826828, 1653656, 2273777, 4547554, 9095108, 18190216]

約数ペア:

[(1, 18190216), (2, 9095108), (4, 4547554), (8, 2273777), (11, 1653656), (22, 826828), (44, 413414), (88, 206707), (97, 187528), (194, 93764), (388, 46882), (776, 23441), (1067, 17048), (2131, 8536), (2134, 8524), (4262, 4268)]