2019211535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{161731}}^1$

素因数の和:161974

約数の個数: 16

約数和(自身を含む): 2654992512

約数和(自身を除く): 635780977

約数列:

[1, 5, 11, 55, 227, 1135, 2497, 12485, 161731, 808655, 1779041, 8895205, 36712937, 183564685, 403842307, 2019211535]

約数ペア:

[(1, 2019211535), (5, 403842307), (11, 183564685), (55, 36712937), (227, 8895205), (1135, 1779041), (2497, 808655), (12485, 161731)]