201718858

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{2309}}^1$

素因数の和:2371

約数の個数: 36

約数和(自身を含む): 351163890

約数和(自身を除く): 149445032

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 361, 418, 722, 2299, 2309, 3971, 4598, 4618, 7942, 25399, 43681, 43871, 50798, 87362, 87742, 279389, 482581, 558778, 833549, 965162, 1667098, 5308391, 9169039, 10616782, 18338078, 100859429, 201718858]

約数ペア:

[(1, 201718858), (2, 100859429), (11, 18338078), (19, 10616782), (22, 9169039), (38, 5308391), (121, 1667098), (209, 965162), (242, 833549), (361, 558778), (418, 482581), (722, 279389), (2299, 87742), (2309, 87362), (3971, 50798), (4598, 43871), (4618, 43681), (7942, 25399)]