17990302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 31288320

約数和(自身を除く): 13298018

約数列:

[1, 2, 11, 19, 22, 38, 193, 209, 223, 386, 418, 446, 2123, 2453, 3667, 4237, 4246, 4906, 7334, 8474, 40337, 43039, 46607, 80674, 86078, 93214, 473429, 817741, 946858, 1635482, 8995151, 17990302]

約数ペア:

[(1, 17990302), (2, 8995151), (11, 1635482), (19, 946858), (22, 817741), (38, 473429), (193, 93214), (209, 86078), (223, 80674), (386, 46607), (418, 43039), (446, 40337), (2123, 8474), (2453, 7334), (3667, 4906), (4237, 4246)]