19902292

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 35858592

約数和(自身を除く): 15956300

約数列:

[1, 2, 4, 43, 86, 172, 251, 461, 502, 922, 1004, 1844, 10793, 19823, 21586, 39646, 43172, 79292, 115711, 231422, 462844, 4975573, 9951146, 19902292]

約数ペア:

[(1, 19902292), (2, 9951146), (4, 4975573), (43, 462844), (86, 231422), (172, 115711), (251, 79292), (461, 43172), (502, 39646), (922, 21586), (1004, 19823), (1844, 10793)]