19111420

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2707}}^1$

素因数の和:3069

約数の個数: 24

約数和(自身を含む): 40262544

約数和(自身を除く): 21151124

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 2707, 3530, 5414, 7060, 10828, 13535, 27070, 54140, 955571, 1911142, 3822284, 4777855, 9555710, 19111420]

約数ペア:

[(1, 19111420), (2, 9555710), (4, 4777855), (5, 3822284), (10, 1911142), (20, 955571), (353, 54140), (706, 27070), (1412, 13535), (1765, 10828), (2707, 7060), (3530, 5414)]