18697778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3307}}^1$

素因数の和:3577

約数の個数: 16

約数和(自身を含む): 30724704

約数和(自身を除く): 12026926

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3307, 5654, 6614, 36377, 72754, 849899, 1699798, 9348889, 18697778]

約数ペア:

[(1, 18697778), (2, 9348889), (11, 1699798), (22, 849899), (257, 72754), (514, 36377), (2827, 6614), (3307, 5654)]