19708455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 14482905

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 211, 479, 633, 1055, 1437, 2395, 2743, 3165, 6227, 7185, 8229, 13715, 18681, 31135, 41145, 93405, 101069, 303207, 505345, 1313897, 1516035, 3941691, 6569485, 19708455]

約数ペア:

[(1, 19708455), (3, 6569485), (5, 3941691), (13, 1516035), (15, 1313897), (39, 505345), (65, 303207), (195, 101069), (211, 93405), (479, 41145), (633, 31135), (1055, 18681), (1437, 13715), (2395, 8229), (2743, 7185), (3165, 6227)]