19955012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{967}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 44233728

約数和(自身を除く): 24278716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 967, 1474, 1876, 1934, 2948, 3868, 5159, 6769, 10318, 10637, 13538, 20636, 21274, 27076, 42548, 64789, 74459, 129578, 148918, 259156, 297836, 453523, 712679, 907046, 1425358, 1814092, 2850716, 4988753, 9977506, 19955012]

約数ペア:

[(1, 19955012), (2, 9977506), (4, 4988753), (7, 2850716), (11, 1814092), (14, 1425358), (22, 907046), (28, 712679), (44, 453523), (67, 297836), (77, 259156), (134, 148918), (154, 129578), (268, 74459), (308, 64789), (469, 42548), (737, 27076), (938, 21274), (967, 20636), (1474, 13538), (1876, 10637), (1934, 10318), (2948, 6769), (3868, 5159)]