19328291248

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1317359}}^1$

素因数の和:1317505

約数の個数: 40

約数和(自身を含む): 43125096960

約数和(自身を除く): 23796805712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 1317359, 2634718, 5269436, 9221513, 10538872, 18443026, 21077744, 36886052, 73772104, 147544208, 172574029, 345148058, 690296116, 1208018203, 1380592232, 2416036406, 2761184464, 4832072812, 9664145624, 19328291248]

約数ペア:

[(1, 19328291248), (2, 9664145624), (4, 4832072812), (7, 2761184464), (8, 2416036406), (14, 1380592232), (16, 1208018203), (28, 690296116), (56, 345148058), (112, 172574029), (131, 147544208), (262, 73772104), (524, 36886052), (917, 21077744), (1048, 18443026), (1834, 10538872), (2096, 9221513), (3668, 5269436), (7336, 2634718), (14672, 1317359)]