19913420

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2713}}^1$

素因数の和:3089

約数の個数: 24

約数和(自身を含む): 41947584

約数和(自身を除く): 22034164

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2713, 3670, 5426, 7340, 10852, 13565, 27130, 54260, 995671, 1991342, 3982684, 4978355, 9956710, 19913420]

約数ペア:

[(1, 19913420), (2, 9956710), (4, 4978355), (5, 3982684), (10, 1991342), (20, 995671), (367, 54260), (734, 27130), (1468, 13565), (1835, 10852), (2713, 7340), (3670, 5426)]