19684808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17207}}^1$

素因数の和:17237

約数の個数: 32

約数和(自身を含む): 43364160

約数和(自身を除く): 23679352

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17207, 34414, 68828, 137656, 189277, 223691, 378554, 447382, 757108, 894764, 1514216, 1789528, 2460601, 4921202, 9842404, 19684808]

約数ペア:

[(1, 19684808), (2, 9842404), (4, 4921202), (8, 2460601), (11, 1789528), (13, 1514216), (22, 894764), (26, 757108), (44, 447382), (52, 378554), (88, 223691), (104, 189277), (143, 137656), (286, 68828), (572, 34414), (1144, 17207)]