22291028

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 42245280

約数和(自身を除く): 19954252

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 359, 361, 718, 722, 817, 1436, 1444, 1634, 3268, 6821, 13642, 15437, 15523, 27284, 30874, 31046, 61748, 62092, 129599, 259198, 293303, 518396, 586606, 1173212, 5572757, 11145514, 22291028]

約数ペア:

[(1, 22291028), (2, 11145514), (4, 5572757), (19, 1173212), (38, 586606), (43, 518396), (76, 293303), (86, 259198), (172, 129599), (359, 62092), (361, 61748), (718, 31046), (722, 30874), (817, 27284), (1436, 15523), (1444, 15437), (1634, 13642), (3268, 6821)]