21950168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144409}}^1$

素因数の和:144434

約数の個数: 16

約数和(自身を含む): 43323000

約数和(自身を除く): 21372832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144409, 288818, 577636, 1155272, 2743771, 5487542, 10975084, 21950168]

約数ペア:

[(1, 21950168), (2, 10975084), (4, 5487542), (8, 2743771), (19, 1155272), (38, 577636), (76, 288818), (152, 144409)]