18861564

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1847}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 47190528

約数和(自身を除く): 28328964

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 74, 92, 111, 138, 148, 222, 276, 444, 851, 1702, 1847, 2553, 3404, 3694, 5106, 5541, 7388, 10212, 11082, 22164, 42481, 68339, 84962, 127443, 136678, 169924, 205017, 254886, 273356, 410034, 509772, 820068, 1571797, 3143594, 4715391, 6287188, 9430782, 18861564]

約数ペア:

[(1, 18861564), (2, 9430782), (3, 6287188), (4, 4715391), (6, 3143594), (12, 1571797), (23, 820068), (37, 509772), (46, 410034), (69, 273356), (74, 254886), (92, 205017), (111, 169924), (138, 136678), (148, 127443), (222, 84962), (276, 68339), (444, 42481), (851, 22164), (1702, 11082), (1847, 10212), (2553, 7388), (3404, 5541), (3694, 5106)]