18945099518

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1\times {\mathrm{253609}}^1$

素因数の和:254563

約数の個数: 16

約数和(自身を含む): 29142832320

約数和(自身を除く): 10197732802

約数列:

[1, 2, 41, 82, 911, 1822, 37351, 74702, 253609, 507218, 10397969, 20795938, 231037799, 462075598, 9472549759, 18945099518]

約数ペア:

[(1, 18945099518), (2, 9472549759), (41, 462075598), (82, 231037799), (911, 20795938), (1822, 10397969), (37351, 507218), (74702, 253609)]