19991746872

素因数分解:

$2^3\times 3^2\times {\mathrm{2237}}^1\times {\mathrm{124123}}^1$

素因数の和:126372

約数の個数: 48

約数和(自身を含む): 54168954840

約数和(自身を除く): 34177207968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 2237, 4474, 6711, 8948, 13422, 17896, 20133, 26844, 40266, 53688, 80532, 124123, 161064, 248246, 372369, 496492, 744738, 992984, 1117107, 1489476, 2234214, 2978952, 4468428, 8936856, 277663151, 555326302, 832989453, 1110652604, 1665978906, 2221305208, 2498968359, 3331957812, 4997936718, 6663915624, 9995873436, 19991746872]

約数ペア:

[(1, 19991746872), (2, 9995873436), (3, 6663915624), (4, 4997936718), (6, 3331957812), (8, 2498968359), (9, 2221305208), (12, 1665978906), (18, 1110652604), (24, 832989453), (36, 555326302), (72, 277663151), (2237, 8936856), (4474, 4468428), (6711, 2978952), (8948, 2234214), (13422, 1489476), (17896, 1117107), (20133, 992984), (26844, 744738), (40266, 496492), (53688, 372369), (80532, 248246), (124123, 161064)]