19969563492

素因数分解:

$2^2\times 3^2\times {\mathrm{1777}}^1\times {\mathrm{312161}}^1$

素因数の和:313948

約数の個数: 36

約数和(自身を含む): 50507187276

約数和(自身を除く): 30537623784

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1777, 3554, 5331, 7108, 10662, 15993, 21324, 31986, 63972, 312161, 624322, 936483, 1248644, 1872966, 2809449, 3745932, 5618898, 11237796, 554710097, 1109420194, 1664130291, 2218840388, 3328260582, 4992390873, 6656521164, 9984781746, 19969563492]

約数ペア:

[(1, 19969563492), (2, 9984781746), (3, 6656521164), (4, 4992390873), (6, 3328260582), (9, 2218840388), (12, 1664130291), (18, 1109420194), (36, 554710097), (1777, 11237796), (3554, 5618898), (5331, 3745932), (7108, 2809449), (10662, 1872966), (15993, 1248644), (21324, 936483), (31986, 624322), (63972, 312161)]