19674798

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1049

約数の個数: 64

約数和(自身を含む): 48287232

約数和(自身を除く): 28612434

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 78, 138, 143, 253, 286, 299, 429, 506, 598, 759, 858, 897, 997, 1518, 1794, 1994, 2991, 3289, 5982, 6578, 9867, 10967, 12961, 19734, 21934, 22931, 25922, 32901, 38883, 45862, 65802, 68793, 77766, 137586, 142571, 252241, 285142, 298103, 427713, 504482, 596206, 756723, 855426, 894309, 1513446, 1788618, 3279133, 6558266, 9837399, 19674798]

約数ペア:

[(1, 19674798), (2, 9837399), (3, 6558266), (6, 3279133), (11, 1788618), (13, 1513446), (22, 894309), (23, 855426), (26, 756723), (33, 596206), (39, 504482), (46, 427713), (66, 298103), (69, 285142), (78, 252241), (138, 142571), (143, 137586), (253, 77766), (286, 68793), (299, 65802), (429, 45862), (506, 38883), (598, 32901), (759, 25922), (858, 22931), (897, 21934), (997, 19734), (1518, 12961), (1794, 10967), (1994, 9867), (2991, 6578), (3289, 5982)]