18727670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 18104650

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2029, 4058, 4615, 9230, 10145, 20290, 26377, 52754, 131885, 144059, 263770, 288118, 720295, 1440590, 1872767, 3745534, 9363835, 18727670]

約数ペア:

[(1, 18727670), (2, 9363835), (5, 3745534), (10, 1872767), (13, 1440590), (26, 720295), (65, 288118), (71, 263770), (130, 144059), (142, 131885), (355, 52754), (710, 26377), (923, 20290), (1846, 10145), (2029, 9230), (4058, 4615)]