18027837

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 11624643

約数列:

[1, 3, 9, 17, 23, 47, 51, 69, 109, 141, 153, 207, 327, 391, 423, 799, 981, 1081, 1173, 1853, 2397, 2507, 3243, 3519, 5123, 5559, 7191, 7521, 9729, 15369, 16677, 18377, 22563, 42619, 46107, 55131, 87091, 117829, 127857, 165393, 261273, 353487, 383571, 783819, 1060461, 2003093, 6009279, 18027837]

約数ペア:

[(1, 18027837), (3, 6009279), (9, 2003093), (17, 1060461), (23, 783819), (47, 383571), (51, 353487), (69, 261273), (109, 165393), (141, 127857), (153, 117829), (207, 87091), (327, 55131), (391, 46107), (423, 42619), (799, 22563), (981, 18377), (1081, 16677), (1173, 15369), (1853, 9729), (2397, 7521), (2507, 7191), (3243, 5559), (3519, 5123)]