18660018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239231}}^1$

素因数の和:239249

約数の個数: 16

約数和(自身を含む): 40190976

約数和(自身を除く): 21530958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239231, 478462, 717693, 1435386, 3110003, 6220006, 9330009, 18660018]

約数ペア:

[(1, 18660018), (2, 9330009), (3, 6220006), (6, 3110003), (13, 1435386), (26, 717693), (39, 478462), (78, 239231)]