19990507248

素因数分解:

$2^4\times 3^2\times {\mathrm{138822967}}^1$

素因数の和:138822981

約数の個数: 30

約数和(自身を含む): 55945656104

約数和(自身を除く): 35955148856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138822967, 277645934, 416468901, 555291868, 832937802, 1110583736, 1249406703, 1665875604, 2221167472, 2498813406, 3331751208, 4997626812, 6663502416, 9995253624, 19990507248]

約数ペア:

[(1, 19990507248), (2, 9995253624), (3, 6663502416), (4, 4997626812), (6, 3331751208), (8, 2498813406), (9, 2221167472), (12, 1665875604), (16, 1249406703), (18, 1110583736), (24, 832937802), (36, 555291868), (48, 416468901), (72, 277645934), (144, 138822967)]