1994004

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 5320000

約数和(自身を除く): 3325996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 499, 666, 998, 999, 1332, 1497, 1996, 1998, 2994, 3996, 4491, 5988, 8982, 13473, 17964, 18463, 26946, 36926, 53892, 55389, 73852, 110778, 166167, 221556, 332334, 498501, 664668, 997002, 1994004]

約数ペア:

[(1, 1994004), (2, 997002), (3, 664668), (4, 498501), (6, 332334), (9, 221556), (12, 166167), (18, 110778), (27, 73852), (36, 55389), (37, 53892), (54, 36926), (74, 26946), (108, 18463), (111, 17964), (148, 13473), (222, 8982), (333, 5988), (444, 4491), (499, 3996), (666, 2994), (998, 1998), (999, 1996), (1332, 1497)]