19808925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{13901}}^1$

素因数の和:13933

約数の個数: 24

約数和(自身を含む): 34476960

約数和(自身を除く): 14668035

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 13901, 41703, 69505, 208515, 264119, 347525, 792357, 1042575, 1320595, 3961785, 6602975, 19808925]

約数ペア:

[(1, 19808925), (3, 6602975), (5, 3961785), (15, 1320595), (19, 1042575), (25, 792357), (57, 347525), (75, 264119), (95, 208515), (285, 69505), (475, 41703), (1425, 13901)]