19561132

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2389}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 36136800

約数和(自身を除く): 16575668

約数列:

[1, 2, 4, 23, 46, 89, 92, 178, 356, 2047, 2389, 4094, 4778, 8188, 9556, 54947, 109894, 212621, 219788, 425242, 850484, 4890283, 9780566, 19561132]

約数ペア:

[(1, 19561132), (2, 9780566), (4, 4890283), (23, 850484), (46, 425242), (89, 219788), (92, 212621), (178, 109894), (356, 54947), (2047, 9556), (2389, 8188), (4094, 4778)]