19653838

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1321}}^1$

素因数の和:1539

約数の個数: 16

約数和(自身を含む): 30363696

約数和(自身を除く): 10709858

約数列:

[1, 2, 43, 86, 173, 346, 1321, 2642, 7439, 14878, 56803, 113606, 228533, 457066, 9826919, 19653838]

約数ペア:

[(1, 19653838), (2, 9826919), (43, 457066), (86, 228533), (173, 113606), (346, 56803), (1321, 14878), (2642, 7439)]