19897606

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:959

約数の個数: 16

約数和(自身を含む): 30404160

約数和(自身を除く): 10506554

約数列:

[1, 2, 101, 137, 202, 274, 719, 1438, 13837, 27674, 72619, 98503, 145238, 197006, 9948803, 19897606]

約数ペア:

[(1, 19897606), (2, 9948803), (101, 197006), (137, 145238), (202, 98503), (274, 72619), (719, 27674), (1438, 13837)]