193921923

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 302520960

約数和(自身を除く): 108599037

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 169, 247, 491, 507, 533, 741, 779, 1473, 1599, 2337, 3211, 6383, 6929, 9329, 9633, 10127, 19149, 20131, 20787, 27987, 30381, 60393, 82979, 121277, 131651, 248937, 261703, 363831, 382489, 394953, 785109, 1147467, 1576601, 3402139, 4729803, 4972357, 10206417, 14917071, 64640641, 193921923]

約数ペア:

[(1, 193921923), (3, 64640641), (13, 14917071), (19, 10206417), (39, 4972357), (41, 4729803), (57, 3402139), (123, 1576601), (169, 1147467), (247, 785109), (491, 394953), (507, 382489), (533, 363831), (741, 261703), (779, 248937), (1473, 131651), (1599, 121277), (2337, 82979), (3211, 60393), (6383, 30381), (6929, 27987), (9329, 20787), (9633, 20131), (10127, 19149)]