19478888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17027}}^1$

素因数の和:17057

約数の個数: 32

約数和(自身を含む): 42910560

約数和(自身を除く): 23431672

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17027, 34054, 68108, 136216, 187297, 221351, 374594, 442702, 749188, 885404, 1498376, 1770808, 2434861, 4869722, 9739444, 19478888]

約数ペア:

[(1, 19478888), (2, 9739444), (4, 4869722), (8, 2434861), (11, 1770808), (13, 1498376), (22, 885404), (26, 749188), (44, 442702), (52, 374594), (88, 221351), (104, 187297), (143, 136216), (286, 68108), (572, 34054), (1144, 17027)]