18702327

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2467}}^1$

素因数の和:2515

約数の個数: 24

約数和(自身を含む): 30089856

約数和(自身を除く): 11387529

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2467, 2527, 7401, 7581, 17269, 46873, 51807, 140619, 328111, 890587, 984333, 2671761, 6234109, 18702327]

約数ペア:

[(1, 18702327), (3, 6234109), (7, 2671761), (19, 984333), (21, 890587), (57, 328111), (133, 140619), (361, 51807), (399, 46873), (1083, 17269), (2467, 7581), (2527, 7401)]