17941564

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 33600280

約数和(自身を除く): 15658716

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 139, 244, 278, 529, 556, 1058, 1403, 2116, 2806, 3197, 5612, 6394, 8479, 12788, 16958, 32269, 33916, 64538, 73531, 129076, 147062, 195017, 294124, 390034, 780068, 4485391, 8970782, 17941564]

約数ペア:

[(1, 17941564), (2, 8970782), (4, 4485391), (23, 780068), (46, 390034), (61, 294124), (92, 195017), (122, 147062), (139, 129076), (244, 73531), (278, 64538), (529, 33916), (556, 32269), (1058, 16958), (1403, 12788), (2116, 8479), (2806, 6394), (3197, 5612)]