19400018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{3659}}^1$

素因数の和:3913

約数の個数: 16

約数和(自身を含む): 31885920

約数和(自身を除く): 12485902

約数列:

[1, 2, 11, 22, 241, 482, 2651, 3659, 5302, 7318, 40249, 80498, 881819, 1763638, 9700009, 19400018]

約数ペア:

[(1, 19400018), (2, 9700009), (11, 1763638), (22, 881819), (241, 80498), (482, 40249), (2651, 7318), (3659, 5302)]