18469540

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3433}}^1$

素因数の和:3711

約数の個数: 24

約数和(自身を含む): 38941560

約数和(自身を除く): 20472020

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3433, 5380, 6866, 13732, 17165, 34330, 68660, 923477, 1846954, 3693908, 4617385, 9234770, 18469540]

約数ペア:

[(1, 18469540), (2, 9234770), (4, 4617385), (5, 3693908), (10, 1846954), (20, 923477), (269, 68660), (538, 34330), (1076, 17165), (1345, 13732), (2690, 6866), (3433, 5380)]