18528158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 31764960

約数和(自身を除く): 13236802

約数列:

[1, 2, 11, 22, 29, 58, 113, 226, 257, 319, 514, 638, 1243, 2486, 2827, 3277, 5654, 6554, 7453, 14906, 29041, 36047, 58082, 72094, 81983, 163966, 319451, 638902, 842189, 1684378, 9264079, 18528158]

約数ペア:

[(1, 18528158), (2, 9264079), (11, 1684378), (22, 842189), (29, 638902), (58, 319451), (113, 163966), (226, 81983), (257, 72094), (319, 58082), (514, 36047), (638, 29041), (1243, 14906), (2486, 7453), (2827, 6554), (3277, 5654)]