19357767

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 33415200

約数和(自身を除く): 14057433

約数列:

[1, 3, 9, 11, 13, 33, 39, 89, 99, 117, 143, 169, 267, 429, 507, 801, 979, 1157, 1287, 1521, 1859, 2197, 2937, 3471, 5577, 6591, 8811, 10413, 12727, 15041, 16731, 19773, 24167, 38181, 45123, 72501, 114543, 135369, 165451, 195533, 217503, 496353, 586599, 1489059, 1759797, 2150863, 6452589, 19357767]

約数ペア:

[(1, 19357767), (3, 6452589), (9, 2150863), (11, 1759797), (13, 1489059), (33, 586599), (39, 496353), (89, 217503), (99, 195533), (117, 165451), (143, 135369), (169, 114543), (267, 72501), (429, 45123), (507, 38181), (801, 24167), (979, 19773), (1157, 16731), (1287, 15041), (1521, 12727), (1859, 10413), (2197, 8811), (2937, 6591), (3471, 5577)]