19548670

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 36336960

約数和(自身を除く): 16788290

約数列:

[1, 2, 5, 10, 61, 73, 122, 146, 305, 365, 439, 610, 730, 878, 2195, 4390, 4453, 8906, 22265, 26779, 32047, 44530, 53558, 64094, 133895, 160235, 267790, 320470, 1954867, 3909734, 9774335, 19548670]

約数ペア:

[(1, 19548670), (2, 9774335), (5, 3909734), (10, 1954867), (61, 320470), (73, 267790), (122, 160235), (146, 133895), (305, 64094), (365, 53558), (439, 44530), (610, 32047), (730, 26779), (878, 22265), (2195, 8906), (4390, 4453)]