18808335

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1565

約数の個数: 64

約数和(自身を含む): 41180160

約数和(自身を除く): 22371825

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1531, 1755, 2457, 4095, 4593, 7655, 10717, 12285, 13779, 19903, 22965, 32151, 41337, 53585, 59709, 68895, 96453, 99515, 139321, 160755, 179127, 206685, 289359, 298545, 417963, 482265, 537381, 696605, 895635, 1253889, 1446795, 2089815, 2686905, 3761667, 6269445, 18808335]

約数ペア:

[(1, 18808335), (3, 6269445), (5, 3761667), (7, 2686905), (9, 2089815), (13, 1446795), (15, 1253889), (21, 895635), (27, 696605), (35, 537381), (39, 482265), (45, 417963), (63, 298545), (65, 289359), (91, 206685), (105, 179127), (117, 160755), (135, 139321), (189, 99515), (195, 96453), (273, 68895), (315, 59709), (351, 53585), (455, 41337), (585, 32151), (819, 22965), (945, 19903), (1365, 13779), (1531, 12285), (1755, 10717), (2457, 7655), (4095, 4593)]