16651518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{213481}}^1$

素因数の和:213499

約数の個数: 16

約数和(自身を含む): 35864976

約数和(自身を除く): 19213458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 213481, 426962, 640443, 1280886, 2775253, 5550506, 8325759, 16651518]

約数ペア:

[(1, 16651518), (2, 8325759), (3, 5550506), (6, 2775253), (13, 1280886), (26, 640443), (39, 426962), (78, 213481)]