18862984

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2017}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 40682880

約数和(自身を除く): 21819896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2017, 2338, 4034, 4676, 8068, 9352, 14119, 16136, 28238, 56476, 112952, 336839, 673678, 1347356, 2357873, 2694712, 4715746, 9431492, 18862984]

約数ペア:

[(1, 18862984), (2, 9431492), (4, 4715746), (7, 2694712), (8, 2357873), (14, 1347356), (28, 673678), (56, 336839), (167, 112952), (334, 56476), (668, 28238), (1169, 16136), (1336, 14119), (2017, 9352), (2338, 8068), (4034, 4676)]