2018821780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4388743}}^1$

素因数の和:4388775

約数の個数: 24

約数和(自身を含む): 4423853952

約数和(自身を除く): 2405032172

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 4388743, 8777486, 17554972, 21943715, 43887430, 87774860, 100941089, 201882178, 403764356, 504705445, 1009410890, 2018821780]

約数ペア:

[(1, 2018821780), (2, 1009410890), (4, 504705445), (5, 403764356), (10, 201882178), (20, 100941089), (23, 87774860), (46, 43887430), (92, 21943715), (115, 17554972), (230, 8777486), (460, 4388743)]