18867228

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{997}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 46945920

約数和(自身を除く): 28078692

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 83, 114, 166, 228, 249, 332, 498, 996, 997, 1577, 1994, 2991, 3154, 3988, 4731, 5982, 6308, 9462, 11964, 18924, 18943, 37886, 56829, 75772, 82751, 113658, 165502, 227316, 248253, 331004, 496506, 993012, 1572269, 3144538, 4716807, 6289076, 9433614, 18867228]

約数ペア:

[(1, 18867228), (2, 9433614), (3, 6289076), (4, 4716807), (6, 3144538), (12, 1572269), (19, 993012), (38, 496506), (57, 331004), (76, 248253), (83, 227316), (114, 165502), (166, 113658), (228, 82751), (249, 75772), (332, 56829), (498, 37886), (996, 18943), (997, 18924), (1577, 11964), (1994, 9462), (2991, 6308), (3154, 5982), (3988, 4731)]