18958293

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{3967}}^1$

素因数の和:4038

約数の個数: 20

約数和(自身を含む): 28807680

約数和(自身を除く): 9849387

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 3967, 4779, 11901, 35703, 107109, 234053, 321327, 702159, 2106477, 6319431, 18958293]

約数ペア:

[(1, 18958293), (3, 6319431), (9, 2106477), (27, 702159), (59, 321327), (81, 234053), (177, 107109), (531, 35703), (1593, 11901), (3967, 4779)]