19010988

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12281}}^1$

素因数の和:12334

約数の個数: 36

約数和(自身を含む): 49177128

約数和(自身を除く): 30166140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12281, 24562, 36843, 49124, 73686, 110529, 147372, 221058, 442116, 528083, 1056166, 1584249, 2112332, 3168498, 4752747, 6336996, 9505494, 19010988]

約数ペア:

[(1, 19010988), (2, 9505494), (3, 6336996), (4, 4752747), (6, 3168498), (9, 2112332), (12, 1584249), (18, 1056166), (36, 528083), (43, 442116), (86, 221058), (129, 147372), (172, 110529), (258, 73686), (387, 49124), (516, 36843), (774, 24562), (1548, 12281)]