18558628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 38453184

約数和(自身を除く): 19894556

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 68, 86, 172, 187, 374, 473, 577, 731, 748, 946, 1154, 1462, 1892, 2308, 2924, 6347, 8041, 9809, 12694, 16082, 19618, 24811, 25388, 32164, 39236, 49622, 99244, 107899, 215798, 272921, 421787, 431596, 545842, 843574, 1091684, 1687148, 4639657, 9279314, 18558628]

約数ペア:

[(1, 18558628), (2, 9279314), (4, 4639657), (11, 1687148), (17, 1091684), (22, 843574), (34, 545842), (43, 431596), (44, 421787), (68, 272921), (86, 215798), (172, 107899), (187, 99244), (374, 49622), (473, 39236), (577, 32164), (731, 25388), (748, 24811), (946, 19618), (1154, 16082), (1462, 12694), (1892, 9809), (2308, 8041), (2924, 6347)]