18409986

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{20873}}^1$

素因数の和:20895

約数の個数: 36

約数和(自身を含む): 46402902

約数和(自身を除く): 27992916

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 20873, 41746, 62619, 125238, 146111, 187857, 292222, 375714, 438333, 876666, 1022777, 1314999, 2045554, 2629998, 3068331, 6136662, 9204993, 18409986]

約数ペア:

[(1, 18409986), (2, 9204993), (3, 6136662), (6, 3068331), (7, 2629998), (9, 2045554), (14, 1314999), (18, 1022777), (21, 876666), (42, 438333), (49, 375714), (63, 292222), (98, 187857), (126, 146111), (147, 125238), (294, 62619), (441, 41746), (882, 20873)]