19796217

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5449}}^1$

素因数の和:5632

約数の個数: 16

約数和(自身を含む): 30345600

約数和(自身を除く): 10549383

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5449, 16347, 38143, 114429, 942677, 2828031, 6598739, 19796217]

約数ペア:

[(1, 19796217), (3, 6598739), (7, 2828031), (21, 942677), (173, 114429), (519, 38143), (1211, 16347), (3633, 5449)]