19639928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31883}}^1$

素因数の和:31907

約数の個数: 32

約数和(自身を含む): 45912960

約数和(自身を除く): 26273032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 31883, 63766, 127532, 223181, 255064, 350713, 446362, 701426, 892724, 1402852, 1785448, 2454991, 2805704, 4909982, 9819964, 19639928]

約数ペア:

[(1, 19639928), (2, 9819964), (4, 4909982), (7, 2805704), (8, 2454991), (11, 1785448), (14, 1402852), (22, 892724), (28, 701426), (44, 446362), (56, 350713), (77, 255064), (88, 223181), (154, 127532), (308, 63766), (616, 31883)]