21874168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{143909}}^1$

素因数の和:143934

約数の個数: 16

約数和(自身を含む): 43173000

約数和(自身を除く): 21298832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 143909, 287818, 575636, 1151272, 2734271, 5468542, 10937084, 21874168]

約数ペア:

[(1, 21874168), (2, 10937084), (4, 5468542), (8, 2734271), (19, 1151272), (38, 575636), (76, 287818), (152, 143909)]