18822892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7013}}^1$

素因数の和:7089

約数の個数: 24

約数和(自身を含む): 36528912

約数和(自身を除く): 17706020

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7013, 14026, 28052, 77143, 154286, 308572, 427793, 855586, 1711172, 4705723, 9411446, 18822892]

約数ペア:

[(1, 18822892), (2, 9411446), (4, 4705723), (11, 1711172), (22, 855586), (44, 427793), (61, 308572), (122, 154286), (244, 77143), (671, 28052), (1342, 14026), (2684, 7013)]