18836251

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 22601728

約数和(自身を除く): 3765477

約数列:

[1, 7, 31, 61, 217, 427, 1423, 1891, 9961, 13237, 44113, 86803, 308791, 607621, 2690893, 18836251]

約数ペア:

[(1, 18836251), (7, 2690893), (31, 607621), (61, 308791), (217, 86803), (427, 44113), (1423, 13237), (1891, 9961)]