19119947

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 25554240

約数和(自身を除く): 6434293

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 1867, 10241, 13069, 20537, 35473, 91483, 143759, 248311, 390203, 1006313, 1738177, 2731421, 19119947]

約数ペア:

[(1, 19119947), (7, 2731421), (11, 1738177), (19, 1006313), (49, 390203), (77, 248311), (133, 143759), (209, 91483), (539, 35473), (931, 20537), (1463, 13069), (1867, 10241)]