18854192

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2371}}^1$

素因数の和:2457

約数の個数: 40

約数和(自身を含む): 42354432

約数和(自身を除く): 23500240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2371, 3976, 4742, 7952, 9484, 16597, 18968, 33194, 37936, 66388, 132776, 168341, 265552, 336682, 673364, 1178387, 1346728, 2356774, 2693456, 4713548, 9427096, 18854192]

約数ペア:

[(1, 18854192), (2, 9427096), (4, 4713548), (7, 2693456), (8, 2356774), (14, 1346728), (16, 1178387), (28, 673364), (56, 336682), (71, 265552), (112, 168341), (142, 132776), (284, 66388), (497, 37936), (568, 33194), (994, 18968), (1136, 16597), (1988, 9484), (2371, 7952), (3976, 4742)]