19979582

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10267}}^1$

素因数の和:10415

約数の個数: 16

約数和(自身を含む): 34500480

約数和(自身を除く): 14520898

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 10267, 20534, 71869, 143738, 1427113, 2854226, 9989791, 19979582]

約数ペア:

[(1, 19979582), (2, 9989791), (7, 2854226), (14, 1427113), (139, 143738), (278, 71869), (973, 20534), (1946, 10267)]