19780486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{52889}}^1$

素因数の和:52919

約数の個数: 16

約数和(自身を含む): 34272720

約数和(自身を除く): 14492234

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 52889, 105778, 581779, 899113, 1163558, 1798226, 9890243, 19780486]

約数ペア:

[(1, 19780486), (2, 9890243), (11, 1798226), (17, 1163558), (22, 899113), (34, 581779), (187, 105778), (374, 52889)]