17696980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6653}}^1$

素因数の和:6688

約数の個数: 48

約数和(自身を含む): 44714880

約数和(自身を除く): 27017900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6653, 13306, 26612, 33265, 46571, 66530, 93142, 126407, 133060, 186284, 232855, 252814, 465710, 505628, 632035, 884849, 931420, 1264070, 1769698, 2528140, 3539396, 4424245, 8848490, 17696980]

約数ペア:

[(1, 17696980), (2, 8848490), (4, 4424245), (5, 3539396), (7, 2528140), (10, 1769698), (14, 1264070), (19, 931420), (20, 884849), (28, 632035), (35, 505628), (38, 465710), (70, 252814), (76, 232855), (95, 186284), (133, 133060), (140, 126407), (190, 93142), (266, 66530), (380, 46571), (532, 33265), (665, 26612), (1330, 13306), (2660, 6653)]