19742504

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 39204000

約数和(自身を除く): 19461496

約数列:

[1, 2, 4, 8, 29, 43, 58, 86, 116, 172, 232, 344, 1247, 1979, 2494, 3958, 4988, 7916, 9976, 15832, 57391, 85097, 114782, 170194, 229564, 340388, 459128, 680776, 2467813, 4935626, 9871252, 19742504]

約数ペア:

[(1, 19742504), (2, 9871252), (4, 4935626), (8, 2467813), (29, 680776), (43, 459128), (58, 340388), (86, 229564), (116, 170194), (172, 114782), (232, 85097), (344, 57391), (1247, 15832), (1979, 9976), (2494, 7916), (3958, 4988)]