19255691

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 24472224

約数和(自身を除く): 5216533

約数列:

[1, 7, 13, 41, 91, 169, 287, 397, 533, 1183, 2779, 3731, 5161, 6929, 16277, 36127, 48503, 67093, 113939, 211601, 469651, 1481207, 2750813, 19255691]

約数ペア:

[(1, 19255691), (7, 2750813), (13, 1481207), (41, 469651), (91, 211601), (169, 113939), (287, 67093), (397, 48503), (533, 36127), (1183, 16277), (2779, 6929), (3731, 5161)]