19392795

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 36009792

約数和(自身を除く): 16616997

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 69, 115, 123, 205, 207, 345, 369, 457, 615, 943, 1035, 1371, 1845, 2285, 2829, 4113, 4715, 6855, 8487, 10511, 14145, 18737, 20565, 31533, 42435, 52555, 56211, 93685, 94599, 157665, 168633, 281055, 430951, 472995, 843165, 1292853, 2154755, 3878559, 6464265, 19392795]

約数ペア:

[(1, 19392795), (3, 6464265), (5, 3878559), (9, 2154755), (15, 1292853), (23, 843165), (41, 472995), (45, 430951), (69, 281055), (115, 168633), (123, 157665), (205, 94599), (207, 93685), (345, 56211), (369, 52555), (457, 42435), (615, 31533), (943, 20565), (1035, 18737), (1371, 14145), (1845, 10511), (2285, 8487), (2829, 6855), (4113, 4715)]