17907868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 36741600

約数和(自身を除く): 18833732

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 89, 178, 187, 269, 356, 374, 538, 748, 979, 1076, 1513, 1958, 2959, 3026, 3916, 4573, 5918, 6052, 9146, 11836, 16643, 18292, 23941, 33286, 47882, 50303, 66572, 95764, 100606, 201212, 263351, 406997, 526702, 813994, 1053404, 1627988, 4476967, 8953934, 17907868]

約数ペア:

[(1, 17907868), (2, 8953934), (4, 4476967), (11, 1627988), (17, 1053404), (22, 813994), (34, 526702), (44, 406997), (68, 263351), (89, 201212), (178, 100606), (187, 95764), (269, 66572), (356, 50303), (374, 47882), (538, 33286), (748, 23941), (979, 18292), (1076, 16643), (1513, 11836), (1958, 9146), (2959, 6052), (3026, 5918), (3916, 4573)]