19902022

素因数分解:

$2^1\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{1303}}^1$

素因数の和:2403

約数の個数: 16

約数和(自身を含む): 34175232

約数和(自身を除く): 14273210

約数列:

[1, 2, 7, 14, 1091, 1303, 2182, 2606, 7637, 9121, 15274, 18242, 1421573, 2843146, 9951011, 19902022]

約数ペア:

[(1, 19902022), (2, 9951011), (7, 2843146), (14, 1421573), (1091, 18242), (1303, 15274), (2182, 9121), (2606, 7637)]