18968716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9859}}^1$

素因数の和:9913

約数の個数: 24

約数和(自身を含む): 36718640

約数和(自身を除く): 17749924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 9859, 19718, 39436, 128167, 256334, 364783, 512668, 729566, 1459132, 4742179, 9484358, 18968716]

約数ペア:

[(1, 18968716), (2, 9484358), (4, 4742179), (13, 1459132), (26, 729566), (37, 512668), (52, 364783), (74, 256334), (148, 128167), (481, 39436), (962, 19718), (1924, 9859)]