19774690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11701}}^1$

素因数の和:11734

約数の個数: 24

約数和(自身を含む): 38546388

約数和(自身を除く): 18771698

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11701, 23402, 58505, 117010, 152113, 304226, 760565, 1521130, 1977469, 3954938, 9887345, 19774690]

約数ペア:

[(1, 19774690), (2, 9887345), (5, 3954938), (10, 1977469), (13, 1521130), (26, 760565), (65, 304226), (130, 152113), (169, 117010), (338, 58505), (845, 23402), (1690, 11701)]