19802019956

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{10061}}^1\times {\mathrm{11443}}^1$

素因数の和:21551

約数の個数: 24

約数和(自身を含む): 35466054624

約数和(自身を除く): 15664034668

約数列:

[1, 2, 4, 43, 86, 172, 10061, 11443, 20122, 22886, 40244, 45772, 432623, 492049, 865246, 984098, 1730492, 1968196, 115128023, 230256046, 460512092, 4950504989, 9901009978, 19802019956]

約数ペア:

[(1, 19802019956), (2, 9901009978), (4, 4950504989), (43, 460512092), (86, 230256046), (172, 115128023), (10061, 1968196), (11443, 1730492), (20122, 984098), (22886, 865246), (40244, 492049), (45772, 432623)]