18166744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 37535400

約数和(自身を除く): 19368656

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 139, 248, 278, 527, 556, 961, 1054, 1112, 1922, 2108, 2363, 3844, 4216, 4309, 4726, 7688, 8618, 9452, 16337, 17236, 18904, 32674, 34472, 65348, 73253, 130696, 133579, 146506, 267158, 293012, 534316, 586024, 1068632, 2270843, 4541686, 9083372, 18166744]

約数ペア:

[(1, 18166744), (2, 9083372), (4, 4541686), (8, 2270843), (17, 1068632), (31, 586024), (34, 534316), (62, 293012), (68, 267158), (124, 146506), (136, 133579), (139, 130696), (248, 73253), (278, 65348), (527, 34472), (556, 32674), (961, 18904), (1054, 17236), (1112, 16337), (1922, 9452), (2108, 8618), (2363, 7688), (3844, 4726), (4216, 4309)]