19495004

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 35303520

約数和(自身を除く): 15808516

約数列:

[1, 2, 4, 37, 74, 148, 157, 314, 628, 839, 1678, 3356, 5809, 11618, 23236, 31043, 62086, 124172, 131723, 263446, 526892, 4873751, 9747502, 19495004]

約数ペア:

[(1, 19495004), (2, 9747502), (4, 4873751), (37, 526892), (74, 263446), (148, 131723), (157, 124172), (314, 62086), (628, 31043), (839, 23236), (1678, 11618), (3356, 5809)]