18884409

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 25704000

約数和(自身を除く): 6819591

約数列:

[1, 3, 83, 149, 249, 447, 509, 1527, 12367, 37101, 42247, 75841, 126741, 227523, 6294803, 18884409]

約数ペア:

[(1, 18884409), (3, 6294803), (83, 227523), (149, 126741), (249, 75841), (447, 42247), (509, 37101), (1527, 12367)]