17861420

素因数分解:

$2^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1327}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 37593024

約数和(自身を除く): 19731604

約数列:

[1, 2, 4, 5, 10, 20, 673, 1327, 1346, 2654, 2692, 3365, 5308, 6635, 6730, 13270, 13460, 26540, 893071, 1786142, 3572284, 4465355, 8930710, 17861420]

約数ペア:

[(1, 17861420), (2, 8930710), (4, 4465355), (5, 3572284), (10, 1786142), (20, 893071), (673, 26540), (1327, 13460), (1346, 13270), (2654, 6730), (2692, 6635), (3365, 5308)]