1916506521

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{3539}}^1$

素因数の和:4226

約数の個数: 32

約数和(自身を含む): 2936217600

約数和(自身を除く): 1019711079

約数列:

[1, 3, 9, 27, 31, 93, 279, 647, 837, 1941, 3539, 5823, 10617, 17469, 20057, 31851, 60171, 95553, 109709, 180513, 329127, 541539, 987381, 2289733, 2962143, 6869199, 20607597, 61822791, 70981723, 212945169, 638835507, 1916506521]

約数ペア:

[(1, 1916506521), (3, 638835507), (9, 212945169), (27, 70981723), (31, 61822791), (93, 20607597), (279, 6869199), (647, 2962143), (837, 2289733), (1941, 987381), (3539, 541539), (5823, 329127), (10617, 180513), (17469, 109709), (20057, 95553), (31851, 60171)]