19059957

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 33126912

約数和(自身を除く): 14066955

約数列:

[1, 3, 7, 9, 21, 41, 47, 63, 123, 141, 157, 287, 329, 369, 423, 471, 861, 987, 1099, 1413, 1927, 2583, 2961, 3297, 5781, 6437, 7379, 9891, 13489, 17343, 19311, 22137, 40467, 45059, 51653, 57933, 66411, 121401, 135177, 154959, 302539, 405531, 464877, 907617, 2117773, 2722851, 6353319, 19059957]

約数ペア:

[(1, 19059957), (3, 6353319), (7, 2722851), (9, 2117773), (21, 907617), (41, 464877), (47, 405531), (63, 302539), (123, 154959), (141, 135177), (157, 121401), (287, 66411), (329, 57933), (369, 51653), (423, 45059), (471, 40467), (861, 22137), (987, 19311), (1099, 17343), (1413, 13489), (1927, 9891), (2583, 7379), (2961, 6437), (3297, 5781)]