19181656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1019}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 38984400

約数和(自身を除く): 19802744

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1019, 1448, 2038, 2353, 4076, 4706, 8152, 9412, 13247, 18824, 26494, 52988, 105976, 184439, 368878, 737756, 1475512, 2397707, 4795414, 9590828, 19181656]

約数ペア:

[(1, 19181656), (2, 9590828), (4, 4795414), (8, 2397707), (13, 1475512), (26, 737756), (52, 368878), (104, 184439), (181, 105976), (362, 52988), (724, 26494), (1019, 18824), (1448, 13247), (2038, 9412), (2353, 8152), (4076, 4706)]