19979686

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{14011}}^1$

素因数の和:14067

約数の個数: 16

約数和(自身を含む): 32283648

約数和(自身を除く): 12303962

約数列:

[1, 2, 23, 31, 46, 62, 713, 1426, 14011, 28022, 322253, 434341, 644506, 868682, 9989843, 19979686]

約数ペア:

[(1, 19979686), (2, 9989843), (23, 868682), (31, 644506), (46, 434341), (62, 322253), (713, 28022), (1426, 14011)]