19636407

素因数分解:

$3^2\times 7^3\times {\mathrm{6361}}^1$

素因数の和:6388

約数の個数: 24

約数和(自身を含む): 33082400

約数和(自身を除く): 13445993

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6361, 19083, 44527, 57249, 133581, 311689, 400743, 935067, 2181823, 2805201, 6545469, 19636407]

約数ペア:

[(1, 19636407), (3, 6545469), (7, 2805201), (9, 2181823), (21, 935067), (49, 400743), (63, 311689), (147, 133581), (343, 57249), (441, 44527), (1029, 19083), (3087, 6361)]