18950890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2791}}^1$

素因数の和:2902

約数の個数: 32

約数和(自身を含む): 39400704

約数和(自身を除く): 20449814

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 2791, 3395, 5582, 6790, 13955, 19537, 27910, 39074, 97685, 195370, 270727, 541454, 1353635, 1895089, 2707270, 3790178, 9475445, 18950890]

約数ペア:

[(1, 18950890), (2, 9475445), (5, 3790178), (7, 2707270), (10, 1895089), (14, 1353635), (35, 541454), (70, 270727), (97, 195370), (194, 97685), (485, 39074), (679, 27910), (970, 19537), (1358, 13955), (2791, 6790), (3395, 5582)]