18744739

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 21032704

約数和(自身を除く): 2287965

約数列:

[1, 13, 31, 193, 241, 403, 2509, 3133, 5983, 7471, 46513, 77779, 97123, 604669, 1441903, 18744739]

約数ペア:

[(1, 18744739), (13, 1441903), (31, 604669), (193, 97123), (241, 77779), (403, 46513), (2509, 7471), (3133, 5983)]