19956996

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4507}}^1$

素因数の和:4561

約数の個数: 48

約数和(自身を含む): 53014080

約数和(自身を除く): 33057084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4428, 4507, 9014, 13521, 18028, 27042, 40563, 54084, 81126, 121689, 162252, 184787, 243378, 369574, 486756, 554361, 739148, 1108722, 1663083, 2217444, 3326166, 4989249, 6652332, 9978498, 19956996]

約数ペア:

[(1, 19956996), (2, 9978498), (3, 6652332), (4, 4989249), (6, 3326166), (9, 2217444), (12, 1663083), (18, 1108722), (27, 739148), (36, 554361), (41, 486756), (54, 369574), (82, 243378), (108, 184787), (123, 162252), (164, 121689), (246, 81126), (369, 54084), (492, 40563), (738, 27042), (1107, 18028), (1476, 13521), (2214, 9014), (4428, 4507)]