18970446

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12497}}^1$

素因数の和:12536

約数の個数: 32

約数和(自身を含む): 43193088

約数和(自身を除く): 24222642

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 12497, 24994, 37491, 74982, 137467, 274934, 287431, 412401, 574862, 824802, 862293, 1724586, 3161741, 6323482, 9485223, 18970446]

約数ペア:

[(1, 18970446), (2, 9485223), (3, 6323482), (6, 3161741), (11, 1724586), (22, 862293), (23, 824802), (33, 574862), (46, 412401), (66, 287431), (69, 274934), (138, 137467), (253, 74982), (506, 37491), (759, 24994), (1518, 12497)]