18883209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{10007}}^1$

素因数の和:10064

約数の個数: 16

約数和(自身を含む): 27381888

約数和(自身を除く): 8498679

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 10007, 30021, 170119, 370259, 510357, 1110777, 6294403, 18883209]

約数ペア:

[(1, 18883209), (3, 6294403), (17, 1110777), (37, 510357), (51, 370259), (111, 170119), (629, 30021), (1887, 10007)]