19649636

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1559}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 36167040

約数和(自身を除く): 16517404

約数列:

[1, 2, 4, 23, 46, 92, 137, 274, 548, 1559, 3118, 3151, 6236, 6302, 12604, 35857, 71714, 143428, 213583, 427166, 854332, 4912409, 9824818, 19649636]

約数ペア:

[(1, 19649636), (2, 9824818), (4, 4912409), (23, 854332), (46, 427166), (92, 213583), (137, 143428), (274, 71714), (548, 35857), (1559, 12604), (3118, 6302), (3151, 6236)]