19784784

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{17921}}^1$

素因数の和:17955

約数の個数: 40

約数和(自身を含む): 53335872

約数和(自身を除く): 33551088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 17921, 35842, 53763, 71684, 107526, 143368, 215052, 286736, 412183, 430104, 824366, 860208, 1236549, 1648732, 2473098, 3297464, 4946196, 6594928, 9892392, 19784784]

約数ペア:

[(1, 19784784), (2, 9892392), (3, 6594928), (4, 4946196), (6, 3297464), (8, 2473098), (12, 1648732), (16, 1236549), (23, 860208), (24, 824366), (46, 430104), (48, 412183), (69, 286736), (92, 215052), (138, 143368), (184, 107526), (276, 71684), (368, 53763), (552, 35842), (1104, 17921)]