18805955

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1301}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 26717040

約数和(自身を除く): 7911085

約数列:

[1, 5, 7, 35, 49, 59, 245, 295, 413, 1301, 2065, 2891, 6505, 9107, 14455, 45535, 63749, 76759, 318745, 383795, 537313, 2686565, 3761191, 18805955]

約数ペア:

[(1, 18805955), (5, 3761191), (7, 2686565), (35, 537313), (49, 383795), (59, 318745), (245, 76759), (295, 63749), (413, 45535), (1301, 14455), (2065, 9107), (2891, 6505)]