19489130

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5521}}^1$

素因数の和:5881

約数の個数: 16

約数和(自身を含む): 35186184

約数和(自身を除く): 15697054

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 5521, 11042, 27605, 55210, 1948913, 3897826, 9744565, 19489130]

約数ペア:

[(1, 19489130), (2, 9744565), (5, 3897826), (10, 1948913), (353, 55210), (706, 27605), (1765, 11042), (3530, 5521)]