19649971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 22752000

約数和(自身を除く): 3102029

約数列:

[1, 11, 19, 149, 209, 631, 1639, 2831, 6941, 11989, 31141, 94019, 131879, 1034209, 1786361, 19649971]

約数ペア:

[(1, 19649971), (11, 1786361), (19, 1034209), (149, 131879), (209, 94019), (631, 31141), (1639, 11989), (2831, 6941)]