19787416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3167}}^1$

素因数の和:3255

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 21269864

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3167, 6248, 6334, 12668, 25336, 34837, 69674, 139348, 224857, 278696, 449714, 899428, 1798856, 2473427, 4946854, 9893708, 19787416]

約数ペア:

[(1, 19787416), (2, 9893708), (4, 4946854), (8, 2473427), (11, 1798856), (22, 899428), (44, 449714), (71, 278696), (88, 224857), (142, 139348), (284, 69674), (568, 34837), (781, 25336), (1562, 12668), (3124, 6334), (3167, 6248)]