18267865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2063}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 28532736

約数和(自身を除く): 10264871

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2063, 8855, 10315, 14441, 22693, 47449, 72205, 113465, 158851, 237245, 332143, 521939, 794255, 1660715, 2609695, 3653573, 18267865]

約数ペア:

[(1, 18267865), (5, 3653573), (7, 2609695), (11, 1660715), (23, 794255), (35, 521939), (55, 332143), (77, 237245), (115, 158851), (161, 113465), (253, 72205), (385, 47449), (805, 22693), (1265, 14441), (1771, 10315), (2063, 8855)]