1897860820

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{236641}}^1$

素因数の和:237051

約数の個数: 24

約数和(自身を含む): 3995463528

約数和(自身を除く): 2097602708

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 236641, 473282, 946564, 1183205, 2366410, 4732820, 94893041, 189786082, 379572164, 474465205, 948930410, 1897860820]

約数ペア:

[(1, 1897860820), (2, 948930410), (4, 474465205), (5, 379572164), (10, 189786082), (20, 94893041), (401, 4732820), (802, 2366410), (1604, 1183205), (2005, 946564), (4010, 473282), (8020, 236641)]