18252507

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 31153920

約数和(自身を除く): 12901413

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 139, 169, 259, 273, 417, 481, 507, 777, 973, 1183, 1443, 1807, 2919, 3367, 3549, 5143, 5421, 6253, 10101, 12649, 15429, 18759, 23491, 36001, 37947, 43771, 66859, 70473, 108003, 131313, 164437, 200577, 468013, 493311, 869167, 1404039, 2607501, 6084169, 18252507]

約数ペア:

[(1, 18252507), (3, 6084169), (7, 2607501), (13, 1404039), (21, 869167), (37, 493311), (39, 468013), (91, 200577), (111, 164437), (139, 131313), (169, 108003), (259, 70473), (273, 66859), (417, 43771), (481, 37947), (507, 36001), (777, 23491), (973, 18759), (1183, 15429), (1443, 12649), (1807, 10101), (2919, 6253), (3367, 5421), (3549, 5143)]