19459460

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3617}}^1$

素因数の和:3895

約数の個数: 24

約数和(自身を含む): 41028120

約数和(自身を除く): 21568660

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3617, 5380, 7234, 14468, 18085, 36170, 72340, 972973, 1945946, 3891892, 4864865, 9729730, 19459460]

約数ペア:

[(1, 19459460), (2, 9729730), (4, 4864865), (5, 3891892), (10, 1945946), (20, 972973), (269, 72340), (538, 36170), (1076, 18085), (1345, 14468), (2690, 7234), (3617, 5380)]