19120738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3442

約数の個数: 32

約数和(自身を含む): 36449280

約数和(自身を除く): 17328542

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3389, 5642, 6778, 23723, 44057, 47446, 88114, 105059, 210118, 308399, 616798, 735413, 1365767, 1470826, 2731534, 9560369, 19120738]

約数ペア:

[(1, 19120738), (2, 9560369), (7, 2731534), (13, 1470826), (14, 1365767), (26, 735413), (31, 616798), (62, 308399), (91, 210118), (182, 105059), (217, 88114), (403, 47446), (434, 44057), (806, 23723), (2821, 6778), (3389, 5642)]