19778796

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4259}}^1$

素因数の和:4315

約数の個数: 48

約数和(自身を含む): 52483200

約数和(自身を除く): 32704404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4259, 4644, 8518, 12777, 17036, 25554, 38331, 51108, 76662, 114993, 153324, 183137, 229986, 366274, 459972, 549411, 732548, 1098822, 1648233, 2197644, 3296466, 4944699, 6592932, 9889398, 19778796]

約数ペア:

[(1, 19778796), (2, 9889398), (3, 6592932), (4, 4944699), (6, 3296466), (9, 2197644), (12, 1648233), (18, 1098822), (27, 732548), (36, 549411), (43, 459972), (54, 366274), (86, 229986), (108, 183137), (129, 153324), (172, 114993), (258, 76662), (387, 51108), (516, 38331), (774, 25554), (1161, 17036), (1548, 12777), (2322, 8518), (4259, 4644)]