19912278

素因数分解:

$2^1\times 3^1\times {\mathrm{907}}^1\times {\mathrm{3659}}^1$

素因数の和:4571

約数の個数: 16

約数和(自身を含む): 39879360

約数和(自身を除く): 19967082

約数列:

[1, 2, 3, 6, 907, 1814, 2721, 3659, 5442, 7318, 10977, 21954, 3318713, 6637426, 9956139, 19912278]

約数ペア:

[(1, 19912278), (2, 9956139), (3, 6637426), (6, 3318713), (907, 21954), (1814, 10977), (2721, 7318), (3659, 5442)]