18341739

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 36

約数和(自身を含む): 29689920

約数和(自身を除く): 11348181

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 169, 279, 389, 403, 507, 1167, 1209, 1521, 3501, 3627, 5057, 5239, 12059, 15171, 15717, 36177, 45513, 47151, 65741, 108531, 156767, 197223, 470301, 591669, 1410903, 2037971, 6113913, 18341739]

約数ペア:

[(1, 18341739), (3, 6113913), (9, 2037971), (13, 1410903), (31, 591669), (39, 470301), (93, 197223), (117, 156767), (169, 108531), (279, 65741), (389, 47151), (403, 45513), (507, 36177), (1167, 15717), (1209, 15171), (1521, 12059), (3501, 5239), (3627, 5057)]