18888931696

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{1223}}^1\times {\mathrm{2179}}^1$

素因数の和:3853

約数の個数: 40

約数和(自身を含む): 36726756480

約数和(自身を除く): 17837824784

約数列:

[1, 2, 4, 8, 16, 443, 886, 1223, 1772, 2179, 2446, 3544, 4358, 4892, 7088, 8716, 9784, 17432, 19568, 34864, 541789, 965297, 1083578, 1930594, 2167156, 2664917, 3861188, 4334312, 5329834, 7722376, 8668624, 10659668, 15444752, 21319336, 42638672, 1180558231, 2361116462, 4722232924, 9444465848, 18888931696]

約数ペア:

[(1, 18888931696), (2, 9444465848), (4, 4722232924), (8, 2361116462), (16, 1180558231), (443, 42638672), (886, 21319336), (1223, 15444752), (1772, 10659668), (2179, 8668624), (2446, 7722376), (3544, 5329834), (4358, 4334312), (4892, 3861188), (7088, 2664917), (8716, 2167156), (9784, 1930594), (17432, 1083578), (19568, 965297), (34864, 541789)]