19518719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1622

約数の個数: 16

約数和(自身を含む): 22796160

約数和(自身を除く): 3277441

約数列:

[1, 11, 19, 61, 209, 671, 1159, 1531, 12749, 16841, 29089, 93391, 319979, 1027301, 1774429, 19518719]

約数ペア:

[(1, 19518719), (11, 1774429), (19, 1027301), (61, 319979), (209, 93391), (671, 29089), (1159, 16841), (1531, 12749)]