19449963

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 32288256

約数和(自身を除く): 12838293

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 131, 141, 243, 351, 393, 423, 611, 1053, 1179, 1269, 1703, 1833, 3159, 3537, 3807, 5109, 5499, 6157, 10611, 11421, 15327, 16497, 18471, 31833, 45981, 49491, 55413, 80041, 137943, 148473, 166239, 240123, 413829, 498717, 720369, 1496151, 2161107, 6483321, 19449963]

約数ペア:

[(1, 19449963), (3, 6483321), (9, 2161107), (13, 1496151), (27, 720369), (39, 498717), (47, 413829), (81, 240123), (117, 166239), (131, 148473), (141, 137943), (243, 80041), (351, 55413), (393, 49491), (423, 45981), (611, 31833), (1053, 18471), (1179, 16497), (1269, 15327), (1703, 11421), (1833, 10611), (3159, 6157), (3537, 5499), (3807, 5109)]