18839964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10979}}^1$

素因数の和:11010

約数の個数: 48

約数和(自身を含む): 51649920

約数和(自身を除く): 32809956

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 10979, 21958, 32937, 43916, 65874, 120769, 131748, 142727, 241538, 285454, 362307, 428181, 483076, 570908, 724614, 856362, 1449228, 1569997, 1712724, 3139994, 4709991, 6279988, 9419982, 18839964]

約数ペア:

[(1, 18839964), (2, 9419982), (3, 6279988), (4, 4709991), (6, 3139994), (11, 1712724), (12, 1569997), (13, 1449228), (22, 856362), (26, 724614), (33, 570908), (39, 483076), (44, 428181), (52, 362307), (66, 285454), (78, 241538), (132, 142727), (143, 131748), (156, 120769), (286, 65874), (429, 43916), (572, 32937), (858, 21958), (1716, 10979)]