18579993

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 25441536

約数和(自身を除く): 6861543

約数列:

[1, 3, 47, 141, 313, 421, 939, 1263, 14711, 19787, 44133, 59361, 131773, 395319, 6193331, 18579993]

約数ペア:

[(1, 18579993), (3, 6193331), (47, 395319), (141, 131773), (313, 59361), (421, 44133), (939, 19787), (1263, 14711)]