18876904

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{211}}^2$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 36233730

約数和(自身を除く): 17356826

約数列:

[1, 2, 4, 8, 53, 106, 211, 212, 422, 424, 844, 1688, 11183, 22366, 44521, 44732, 89042, 89464, 178084, 356168, 2359613, 4719226, 9438452, 18876904]

約数ペア:

[(1, 18876904), (2, 9438452), (4, 4719226), (8, 2359613), (53, 356168), (106, 178084), (211, 89464), (212, 89042), (422, 44732), (424, 44521), (844, 22366), (1688, 11183)]