19575921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 28034496

約数和(自身を除く): 8458575

約数列:

[1, 3, 23, 53, 69, 101, 159, 303, 1219, 2323, 2809, 3657, 5353, 6969, 8427, 16059, 64607, 123119, 193821, 283709, 369357, 851127, 6525307, 19575921]

約数ペア:

[(1, 19575921), (3, 6525307), (23, 851127), (53, 369357), (69, 283709), (101, 193821), (159, 123119), (303, 64607), (1219, 16059), (2323, 8427), (2809, 6969), (3657, 5353)]