19498743

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 31084560

約数和(自身を除く): 11585817

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2213, 2937, 6639, 8811, 19917, 24343, 73029, 196957, 219087, 590871, 1772613, 2166527, 6499581, 19498743]

約数ペア:

[(1, 19498743), (3, 6499581), (9, 2166527), (11, 1772613), (33, 590871), (89, 219087), (99, 196957), (267, 73029), (801, 24343), (979, 19917), (2213, 8811), (2937, 6639)]