18721264

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{50873}}^1$

素因数の和:50904

約数の個数: 20

約数和(自身を含む): 37850256

約数和(自身を除く): 19128992

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 50873, 101746, 203492, 406984, 813968, 1170079, 2340158, 4680316, 9360632, 18721264]

約数ペア:

[(1, 18721264), (2, 9360632), (4, 4680316), (8, 2340158), (16, 1170079), (23, 813968), (46, 406984), (92, 203492), (184, 101746), (368, 50873)]