19984506

素因数分解:

$2^1\times 3^1\times {\mathrm{991}}^1\times {\mathrm{3361}}^1$

素因数の和:4357

約数の個数: 16

約数和(自身を含む): 40021248

約数和(自身を除く): 20036742

約数列:

[1, 2, 3, 6, 991, 1982, 2973, 3361, 5946, 6722, 10083, 20166, 3330751, 6661502, 9992253, 19984506]

約数ペア:

[(1, 19984506), (2, 9992253), (3, 6661502), (6, 3330751), (991, 20166), (1982, 10083), (2973, 6722), (3361, 5946)]