19427588

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 35025984

約数和(自身を除く): 15598396

約数列:

[1, 2, 4, 67, 71, 134, 142, 268, 284, 1021, 2042, 4084, 4757, 9514, 19028, 68407, 72491, 136814, 144982, 273628, 289964, 4856897, 9713794, 19427588]

約数ペア:

[(1, 19427588), (2, 9713794), (4, 4856897), (67, 289964), (71, 273628), (134, 144982), (142, 136814), (268, 72491), (284, 68407), (1021, 19028), (2042, 9514), (4084, 4757)]