18811206530

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1153}}^1\times {\mathrm{3989}}^1$

素因数の和:5558

約数の個数: 32

約数和(自身を含む): 33980914800

約数和(自身を除く): 15169708270

約数列:

[1, 2, 5, 10, 409, 818, 1153, 2045, 2306, 3989, 4090, 5765, 7978, 11530, 19945, 39890, 471577, 943154, 1631501, 2357885, 3263002, 4599317, 4715770, 8157505, 9198634, 16315010, 22996585, 45993170, 1881120653, 3762241306, 9405603265, 18811206530]

約数ペア:

[(1, 18811206530), (2, 9405603265), (5, 3762241306), (10, 1881120653), (409, 45993170), (818, 22996585), (1153, 16315010), (2045, 9198634), (2306, 8157505), (3989, 4715770), (4090, 4599317), (5765, 3263002), (7978, 2357885), (11530, 1631501), (19945, 943154), (39890, 471577)]