19774833

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 9860367

約数列:

[1, 3, 13, 39, 41, 83, 123, 149, 249, 447, 533, 1079, 1599, 1937, 3237, 3403, 5811, 6109, 10209, 12367, 18327, 37101, 44239, 79417, 132717, 160771, 238251, 482313, 507047, 1521141, 6591611, 19774833]

約数ペア:

[(1, 19774833), (3, 6591611), (13, 1521141), (39, 507047), (41, 482313), (83, 238251), (123, 160771), (149, 132717), (249, 79417), (447, 44239), (533, 37101), (1079, 18327), (1599, 12367), (1937, 10209), (3237, 6109), (3403, 5811)]