19642210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{280603}}^1$

素因数の和:280617

約数の個数: 16

約数和(自身を含む): 40406976

約数和(自身を除く): 20764766

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 280603, 561206, 1403015, 1964221, 2806030, 3928442, 9821105, 19642210]

約数ペア:

[(1, 19642210), (2, 9821105), (5, 3928442), (7, 2806030), (10, 1964221), (14, 1403015), (35, 561206), (70, 280603)]