19607715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 38514528

約数和(自身を除く): 18906813

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 71, 85, 95, 153, 171, 213, 255, 285, 323, 355, 361, 639, 765, 855, 969, 1065, 1083, 1207, 1349, 1615, 1805, 2907, 3195, 3249, 3621, 4047, 4845, 5415, 6035, 6137, 6745, 10863, 12141, 14535, 16245, 18105, 18411, 20235, 22933, 25631, 30685, 54315, 55233, 60705, 68799, 76893, 92055, 114665, 128155, 206397, 230679, 276165, 343995, 384465, 435727, 1031985, 1153395, 1307181, 2178635, 3921543, 6535905, 19607715]

約数ペア:

[(1, 19607715), (3, 6535905), (5, 3921543), (9, 2178635), (15, 1307181), (17, 1153395), (19, 1031985), (45, 435727), (51, 384465), (57, 343995), (71, 276165), (85, 230679), (95, 206397), (153, 128155), (171, 114665), (213, 92055), (255, 76893), (285, 68799), (323, 60705), (355, 55233), (361, 54315), (639, 30685), (765, 25631), (855, 22933), (969, 20235), (1065, 18411), (1083, 18105), (1207, 16245), (1349, 14535), (1615, 12141), (1805, 10863), (2907, 6745), (3195, 6137), (3249, 6035), (3621, 5415), (4047, 4845)]