18267964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 38031840

約数和(自身を除く): 19763876

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 109, 143, 218, 286, 293, 436, 572, 586, 1172, 1199, 1417, 2398, 2834, 3223, 3809, 4796, 5668, 6446, 7618, 12892, 15236, 15587, 31174, 31937, 41899, 62348, 63874, 83798, 127748, 167596, 351307, 415181, 702614, 830362, 1405228, 1660724, 4566991, 9133982, 18267964]

約数ペア:

[(1, 18267964), (2, 9133982), (4, 4566991), (11, 1660724), (13, 1405228), (22, 830362), (26, 702614), (44, 415181), (52, 351307), (109, 167596), (143, 127748), (218, 83798), (286, 63874), (293, 62348), (436, 41899), (572, 31937), (586, 31174), (1172, 15587), (1199, 15236), (1417, 12892), (2398, 7618), (2834, 6446), (3223, 5668), (3809, 4796)]