18404636

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 33116160

約数和(自身を除く): 14711524

約数列:

[1, 2, 4, 47, 94, 188, 223, 439, 446, 878, 892, 1756, 10481, 20633, 20962, 41266, 41924, 82532, 97897, 195794, 391588, 4601159, 9202318, 18404636]

約数ペア:

[(1, 18404636), (2, 9202318), (4, 4601159), (47, 391588), (94, 195794), (188, 97897), (223, 82532), (439, 41924), (446, 41266), (878, 20962), (892, 20633), (1756, 10481)]