19857809521

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{212909}}^1$

素因数の和:213120

約数の個数: 16

約数和(自身を含む): 22176705600

約数和(自身を除く): 2318896079

約数列:

[1, 11, 61, 139, 671, 1529, 8479, 93269, 212909, 2341999, 12987449, 29594351, 142861939, 325537861, 1805255411, 19857809521]

約数ペア:

[(1, 19857809521), (11, 1805255411), (61, 325537861), (139, 142861939), (671, 29594351), (1529, 12987449), (8479, 2341999), (93269, 212909)]